581360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:82

約数の個数: 60

約数和(自身を含む): 1497672

約数和(自身を除く): 916312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 169, 172, 208, 215, 260, 338, 344, 430, 520, 559, 676, 688, 845, 860, 1040, 1118, 1352, 1690, 1720, 2236, 2704, 2795, 3380, 3440, 4472, 5590, 6760, 7267, 8944, 11180, 13520, 14534, 22360, 29068, 36335, 44720, 58136, 72670, 116272, 145340, 290680, 581360]

約数ペア:

[(1, 581360), (2, 290680), (4, 145340), (5, 116272), (8, 72670), (10, 58136), (13, 44720), (16, 36335), (20, 29068), (26, 22360), (40, 14534), (43, 13520), (52, 11180), (65, 8944), (80, 7267), (86, 6760), (104, 5590), (130, 4472), (169, 3440), (172, 3380), (208, 2795), (215, 2704), (260, 2236), (338, 1720), (344, 1690), (430, 1352), (520, 1118), (559, 1040), (676, 860), (688, 845)]