16193840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:726

約数の個数: 80

約数和(自身を含む): 42372288

約数和(自身を除く): 26178448

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, 677, 920, 1040, 1196, 1354, 1495, 1840, 2392, 2708, 2990, 3385, 4784, 5416, 5980, 6770, 8801, 10832, 11960, 13540, 15571, 17602, 23920, 27080, 31142, 35204, 44005, 54160, 62284, 70408, 77855, 88010, 124568, 140816, 155710, 176020, 202423, 249136, 311420, 352040, 404846, 622840, 704080, 809692, 1012115, 1245680, 1619384, 2024230, 3238768, 4048460, 8096920, 16193840]

約数ペア:

[(1, 16193840), (2, 8096920), (4, 4048460), (5, 3238768), (8, 2024230), (10, 1619384), (13, 1245680), (16, 1012115), (20, 809692), (23, 704080), (26, 622840), (40, 404846), (46, 352040), (52, 311420), (65, 249136), (80, 202423), (92, 176020), (104, 155710), (115, 140816), (130, 124568), (184, 88010), (208, 77855), (230, 70408), (260, 62284), (299, 54160), (368, 44005), (460, 35204), (520, 31142), (598, 27080), (677, 23920), (920, 17602), (1040, 15571), (1196, 13540), (1354, 11960), (1495, 10832), (1840, 8801), (2392, 6770), (2708, 5980), (2990, 5416), (3385, 4784)]