313200040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{59771}}^1$

素因数の和:59913

約数の個数: 32

約数和(自身を含む): 710091360

約数和(自身を除く): 396891320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 59771, 119542, 239084, 298855, 478168, 597710, 1195420, 2390840, 7830001, 15660002, 31320004, 39150005, 62640008, 78300010, 156600020, 313200040]

約数ペア:

[(1, 313200040), (2, 156600020), (4, 78300010), (5, 62640008), (8, 39150005), (10, 31320004), (20, 15660002), (40, 7830001), (131, 2390840), (262, 1195420), (524, 597710), (655, 478168), (1048, 298855), (1310, 239084), (2620, 119542), (5240, 59771)]