28332560

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4483}}^1$

素因数の和:4575

約数の個数: 40

約数和(自身を含む): 66721920

約数和(自身を除く): 38389360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 4483, 6320, 8966, 17932, 22415, 35864, 44830, 71728, 89660, 179320, 354157, 358640, 708314, 1416628, 1770785, 2833256, 3541570, 5666512, 7083140, 14166280, 28332560]

約数ペア:

[(1, 28332560), (2, 14166280), (4, 7083140), (5, 5666512), (8, 3541570), (10, 2833256), (16, 1770785), (20, 1416628), (40, 708314), (79, 358640), (80, 354157), (158, 179320), (316, 89660), (395, 71728), (632, 44830), (790, 35864), (1264, 22415), (1580, 17932), (3160, 8966), (4483, 6320)]