17389840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:776

約数の個数: 80

約数和(自身を含む): 45497088

約数和(自身を除く): 28107248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 727, 920, 1040, 1196, 1454, 1495, 1840, 2392, 2908, 2990, 3635, 4784, 5816, 5980, 7270, 9451, 11632, 11960, 14540, 16721, 18902, 23920, 29080, 33442, 37804, 47255, 58160, 66884, 75608, 83605, 94510, 133768, 151216, 167210, 189020, 217373, 267536, 334420, 378040, 434746, 668840, 756080, 869492, 1086865, 1337680, 1738984, 2173730, 3477968, 4347460, 8694920, 17389840]

約数ペア:

[(1, 17389840), (2, 8694920), (4, 4347460), (5, 3477968), (8, 2173730), (10, 1738984), (13, 1337680), (16, 1086865), (20, 869492), (23, 756080), (26, 668840), (40, 434746), (46, 378040), (52, 334420), (65, 267536), (80, 217373), (92, 189020), (104, 167210), (115, 151216), (130, 133768), (184, 94510), (208, 83605), (230, 75608), (260, 66884), (299, 58160), (368, 47255), (460, 37804), (520, 33442), (598, 29080), (727, 23920), (920, 18902), (1040, 16721), (1196, 14540), (1454, 11960), (1495, 11632), (1840, 9451), (2392, 7270), (2908, 5980), (2990, 5816), (3635, 4784)]