13620080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2791}}^1$

素因数の和:2865

約数の個数: 40

約数和(自身を含む): 32197344

約数和(自身を除く): 18577264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 2791, 4880, 5582, 11164, 13955, 22328, 27910, 44656, 55820, 111640, 170251, 223280, 340502, 681004, 851255, 1362008, 1702510, 2724016, 3405020, 6810040, 13620080]

約数ペア:

[(1, 13620080), (2, 6810040), (4, 3405020), (5, 2724016), (8, 1702510), (10, 1362008), (16, 851255), (20, 681004), (40, 340502), (61, 223280), (80, 170251), (122, 111640), (244, 55820), (305, 44656), (488, 27910), (610, 22328), (976, 13955), (1220, 11164), (2440, 5582), (2791, 4880)]