39997360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38459}}^1$

素因数の和:38485

約数の個数: 40

約数和(自身を含む): 100149840

約数和(自身を除く): 60152480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 38459, 76918, 153836, 192295, 307672, 384590, 499967, 615344, 769180, 999934, 1538360, 1999868, 2499835, 3076720, 3999736, 4999670, 7999472, 9999340, 19998680, 39997360]

約数ペア:

[(1, 39997360), (2, 19998680), (4, 9999340), (5, 7999472), (8, 4999670), (10, 3999736), (13, 3076720), (16, 2499835), (20, 1999868), (26, 1538360), (40, 999934), (52, 769180), (65, 615344), (80, 499967), (104, 384590), (130, 307672), (208, 192295), (260, 153836), (520, 76918), (1040, 38459)]