25820080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 160

約数和(自身を含む): 73620288

約数和(自身を除く): 47800208

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 37, 40, 44, 52, 55, 61, 65, 74, 80, 88, 104, 110, 122, 130, 143, 148, 176, 185, 208, 220, 244, 260, 286, 296, 305, 370, 407, 440, 481, 488, 520, 572, 592, 610, 671, 715, 740, 793, 814, 880, 962, 976, 1040, 1144, 1220, 1342, 1430, 1480, 1586, 1628, 1924, 2035, 2257, 2288, 2405, 2440, 2684, 2860, 2960, 3172, 3256, 3355, 3848, 3965, 4070, 4514, 4810, 4880, 5291, 5368, 5720, 6344, 6512, 6710, 7696, 7930, 8140, 8723, 9028, 9620, 10582, 10736, 11285, 11440, 12688, 13420, 15860, 16280, 17446, 18056, 19240, 21164, 22570, 24827, 26455, 26840, 29341, 31720, 32560, 34892, 36112, 38480, 42328, 43615, 45140, 49654, 52910, 53680, 58682, 63440, 69784, 84656, 87230, 90280, 99308, 105820, 117364, 124135, 139568, 146705, 174460, 180560, 198616, 211640, 234728, 248270, 293410, 322751, 348920, 397232, 423280, 469456, 496540, 586820, 645502, 697840, 993080, 1173640, 1291004, 1613755, 1986160, 2347280, 2582008, 3227510, 5164016, 6455020, 12910040, 25820080]

約数ペア:

[(1, 25820080), (2, 12910040), (4, 6455020), (5, 5164016), (8, 3227510), (10, 2582008), (11, 2347280), (13, 1986160), (16, 1613755), (20, 1291004), (22, 1173640), (26, 993080), (37, 697840), (40, 645502), (44, 586820), (52, 496540), (55, 469456), (61, 423280), (65, 397232), (74, 348920), (80, 322751), (88, 293410), (104, 248270), (110, 234728), (122, 211640), (130, 198616), (143, 180560), (148, 174460), (176, 146705), (185, 139568), (208, 124135), (220, 117364), (244, 105820), (260, 99308), (286, 90280), (296, 87230), (305, 84656), (370, 69784), (407, 63440), (440, 58682), (481, 53680), (488, 52910), (520, 49654), (572, 45140), (592, 43615), (610, 42328), (671, 38480), (715, 36112), (740, 34892), (793, 32560), (814, 31720), (880, 29341), (962, 26840), (976, 26455), (1040, 24827), (1144, 22570), (1220, 21164), (1342, 19240), (1430, 18056), (1480, 17446), (1586, 16280), (1628, 15860), (1924, 13420), (2035, 12688), (2257, 11440), (2288, 11285), (2405, 10736), (2440, 10582), (2684, 9620), (2860, 9028), (2960, 8723), (3172, 8140), (3256, 7930), (3355, 7696), (3848, 6710), (3965, 6512), (4070, 6344), (4514, 5720), (4810, 5368), (4880, 5291)]