72079640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43951}}^1$

素因数の和:44003

約数の個数: 32

約数和(自身を含む): 166138560

約数和(自身を除く): 94058920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 43951, 87902, 175804, 219755, 351608, 439510, 879020, 1758040, 1801991, 3603982, 7207964, 9009955, 14415928, 18019910, 36039820, 72079640]

約数ペア:

[(1, 72079640), (2, 36039820), (4, 18019910), (5, 14415928), (8, 9009955), (10, 7207964), (20, 3603982), (40, 1801991), (41, 1758040), (82, 879020), (164, 439510), (205, 351608), (328, 219755), (410, 175804), (820, 87902), (1640, 43951)]