2718160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 6434856

約数和(自身を除く): 3716696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 557, 610, 976, 1114, 1220, 2228, 2440, 2785, 4456, 4880, 5570, 8912, 11140, 22280, 33977, 44560, 67954, 135908, 169885, 271816, 339770, 543632, 679540, 1359080, 2718160]

約数ペア:

[(1, 2718160), (2, 1359080), (4, 679540), (5, 543632), (8, 339770), (10, 271816), (16, 169885), (20, 135908), (40, 67954), (61, 44560), (80, 33977), (122, 22280), (244, 11140), (305, 8912), (488, 5570), (557, 4880), (610, 4456), (976, 2785), (1114, 2440), (1220, 2228)]