90866840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{17341}}^1$

素因数の和:17483

約数の個数: 32

約数和(自身を含む): 206022960

約数和(自身を除く): 115156120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 17341, 34682, 69364, 86705, 138728, 173410, 346820, 693640, 2271671, 4543342, 9086684, 11358355, 18173368, 22716710, 45433420, 90866840]

約数ペア:

[(1, 90866840), (2, 45433420), (4, 22716710), (5, 18173368), (8, 11358355), (10, 9086684), (20, 4543342), (40, 2271671), (131, 693640), (262, 346820), (524, 173410), (655, 138728), (1048, 86705), (1310, 69364), (2620, 34682), (5240, 17341)]