12521080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 33516000

約数和(自身を除く): 20994920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 121, 130, 143, 199, 220, 242, 260, 286, 398, 440, 484, 520, 572, 605, 715, 796, 968, 995, 1144, 1210, 1430, 1573, 1592, 1990, 2189, 2420, 2587, 2860, 3146, 3980, 4378, 4840, 5174, 5720, 6292, 7865, 7960, 8756, 10348, 10945, 12584, 12935, 15730, 17512, 20696, 21890, 24079, 25870, 28457, 31460, 43780, 48158, 51740, 56914, 62920, 87560, 96316, 103480, 113828, 120395, 142285, 192632, 227656, 240790, 284570, 313027, 481580, 569140, 626054, 963160, 1138280, 1252108, 1565135, 2504216, 3130270, 6260540, 12521080]

約数ペア:

[(1, 12521080), (2, 6260540), (4, 3130270), (5, 2504216), (8, 1565135), (10, 1252108), (11, 1138280), (13, 963160), (20, 626054), (22, 569140), (26, 481580), (40, 313027), (44, 284570), (52, 240790), (55, 227656), (65, 192632), (88, 142285), (104, 120395), (110, 113828), (121, 103480), (130, 96316), (143, 87560), (199, 62920), (220, 56914), (242, 51740), (260, 48158), (286, 43780), (398, 31460), (440, 28457), (484, 25870), (520, 24079), (572, 21890), (605, 20696), (715, 17512), (796, 15730), (968, 12935), (995, 12584), (1144, 10945), (1210, 10348), (1430, 8756), (1573, 7960), (1592, 7865), (1990, 6292), (2189, 5720), (2420, 5174), (2587, 4840), (2860, 4378), (3146, 3980)]