68595280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65957}}^1$

素因数の和:65983

約数の個数: 40

約数和(自身を含む): 171754632

約数和(自身を除く): 103159352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 65957, 131914, 263828, 329785, 527656, 659570, 857441, 1055312, 1319140, 1714882, 2638280, 3429764, 4287205, 5276560, 6859528, 8574410, 13719056, 17148820, 34297640, 68595280]

約数ペア:

[(1, 68595280), (2, 34297640), (4, 17148820), (5, 13719056), (8, 8574410), (10, 6859528), (13, 5276560), (16, 4287205), (20, 3429764), (26, 2638280), (40, 1714882), (52, 1319140), (65, 1055312), (80, 857441), (104, 659570), (130, 527656), (208, 329785), (260, 263828), (520, 131914), (1040, 65957)]