1986160

素因数分解:

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

素因数の和:122

約数の個数: 80

約数和(自身を含む): 5258592

約数和(自身を除く): 3272432

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 61, 74, 80, 88, 110, 122, 148, 176, 185, 220, 244, 296, 305, 370, 407, 440, 488, 592, 610, 671, 740, 814, 880, 976, 1220, 1342, 1480, 1628, 2035, 2257, 2440, 2684, 2960, 3256, 3355, 4070, 4514, 4880, 5368, 6512, 6710, 8140, 9028, 10736, 11285, 13420, 16280, 18056, 22570, 24827, 26840, 32560, 36112, 45140, 49654, 53680, 90280, 99308, 124135, 180560, 198616, 248270, 397232, 496540, 993080, 1986160]

約数ペア:

[(1, 1986160), (2, 993080), (4, 496540), (5, 397232), (8, 248270), (10, 198616), (11, 180560), (16, 124135), (20, 99308), (22, 90280), (37, 53680), (40, 49654), (44, 45140), (55, 36112), (61, 32560), (74, 26840), (80, 24827), (88, 22570), (110, 18056), (122, 16280), (148, 13420), (176, 11285), (185, 10736), (220, 9028), (244, 8140), (296, 6710), (305, 6512), (370, 5368), (407, 4880), (440, 4514), (488, 4070), (592, 3355), (610, 3256), (671, 2960), (740, 2684), (814, 2440), (880, 2257), (976, 2035), (1220, 1628), (1342, 1480)]