259092080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{249127}}^1$

素因数の和:249153

約数の個数: 40

約数和(自身を含む): 648729312

約数和(自身を除く): 389637232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 249127, 498254, 996508, 1245635, 1993016, 2491270, 3238651, 3986032, 4982540, 6477302, 9965080, 12954604, 16193255, 19930160, 25909208, 32386510, 51818416, 64773020, 129546040, 259092080]

約数ペア:

[(1, 259092080), (2, 129546040), (4, 64773020), (5, 51818416), (8, 32386510), (10, 25909208), (13, 19930160), (16, 16193255), (20, 12954604), (26, 9965080), (40, 6477302), (52, 4982540), (65, 3986032), (80, 3238651), (104, 2491270), (130, 1993016), (208, 1245635), (260, 996508), (520, 498254), (1040, 249127)]