31916840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6091}}^1$

素因数の和:6233

約数の個数: 32

約数和(自身を含む): 72372960

約数和(自身を除く): 40456120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 6091, 12182, 24364, 30455, 48728, 60910, 121820, 243640, 797921, 1595842, 3191684, 3989605, 6383368, 7979210, 15958420, 31916840]

約数ペア:

[(1, 31916840), (2, 15958420), (4, 7979210), (5, 6383368), (8, 3989605), (10, 3191684), (20, 1595842), (40, 797921), (131, 243640), (262, 121820), (524, 60910), (655, 48728), (1048, 30455), (1310, 24364), (2620, 12182), (5240, 6091)]