12516320

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 29837808

約数和(自身を除く): 17321488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 571, 685, 1096, 1142, 1370, 2192, 2284, 2740, 2855, 4384, 4568, 5480, 5710, 9136, 10960, 11420, 18272, 21920, 22840, 45680, 78227, 91360, 156454, 312908, 391135, 625816, 782270, 1251632, 1564540, 2503264, 3129080, 6258160, 12516320]

約数ペア:

[(1, 12516320), (2, 6258160), (4, 3129080), (5, 2503264), (8, 1564540), (10, 1251632), (16, 782270), (20, 625816), (32, 391135), (40, 312908), (80, 156454), (137, 91360), (160, 78227), (274, 45680), (548, 22840), (571, 21920), (685, 18272), (1096, 11420), (1142, 10960), (1370, 9136), (2192, 5710), (2284, 5480), (2740, 4568), (2855, 4384)]