17928040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1499}}^1$

素因数の和:1546

約数の個数: 64

約数和(自身を含む): 45360000

約数和(自身を除く): 27431960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 1499, 2392, 2990, 2998, 5980, 5996, 7495, 11960, 11992, 14990, 19487, 29980, 34477, 38974, 59960, 68954, 77948, 97435, 137908, 155896, 172385, 194870, 275816, 344770, 389740, 448201, 689540, 779480, 896402, 1379080, 1792804, 2241005, 3585608, 4482010, 8964020, 17928040]

約数ペア:

[(1, 17928040), (2, 8964020), (4, 4482010), (5, 3585608), (8, 2241005), (10, 1792804), (13, 1379080), (20, 896402), (23, 779480), (26, 689540), (40, 448201), (46, 389740), (52, 344770), (65, 275816), (92, 194870), (104, 172385), (115, 155896), (130, 137908), (184, 97435), (230, 77948), (260, 68954), (299, 59960), (460, 38974), (520, 34477), (598, 29980), (920, 19487), (1196, 14990), (1495, 11992), (1499, 11960), (2392, 7495), (2990, 5996), (2998, 5980)]