64942960

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4861}}^1$

素因数の和:5041

約数の個数: 40

約数和(自身を含む): 151927776

約数和(自身を除く): 86984816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 4861, 6680, 9722, 13360, 19444, 24305, 38888, 48610, 77776, 97220, 194440, 388880, 811787, 1623574, 3247148, 4058935, 6494296, 8117870, 12988592, 16235740, 32471480, 64942960]

約数ペア:

[(1, 64942960), (2, 32471480), (4, 16235740), (5, 12988592), (8, 8117870), (10, 6494296), (16, 4058935), (20, 3247148), (40, 1623574), (80, 811787), (167, 388880), (334, 194440), (668, 97220), (835, 77776), (1336, 48610), (1670, 38888), (2672, 24305), (3340, 19444), (4861, 13360), (6680, 9722)]