72297040

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4283}}^1$

素因数の和:4507

約数の個数: 40

約数和(自身を含む): 168926688

約数和(自身を除く): 96629648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 4283, 8440, 8566, 16880, 17132, 21415, 34264, 42830, 68528, 85660, 171320, 342640, 903713, 1807426, 3614852, 4518565, 7229704, 9037130, 14459408, 18074260, 36148520, 72297040]

約数ペア:

[(1, 72297040), (2, 36148520), (4, 18074260), (5, 14459408), (8, 9037130), (10, 7229704), (16, 4518565), (20, 3614852), (40, 1807426), (80, 903713), (211, 342640), (422, 171320), (844, 85660), (1055, 68528), (1688, 42830), (2110, 34264), (3376, 21415), (4220, 17132), (4283, 16880), (8440, 8566)]