72526840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13841}}^1$

素因数の和:13983

約数の個数: 32

約数和(自身を含む): 164442960

約数和(自身を除く): 91916120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 13841, 27682, 55364, 69205, 110728, 138410, 276820, 553640, 1813171, 3626342, 7252684, 9065855, 14505368, 18131710, 36263420, 72526840]

約数ペア:

[(1, 72526840), (2, 36263420), (4, 18131710), (5, 14505368), (8, 9065855), (10, 7252684), (20, 3626342), (40, 1813171), (131, 553640), (262, 276820), (524, 138410), (655, 110728), (1048, 69205), (1310, 55364), (2620, 27682), (5240, 13841)]