90741080

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{17317}}^1$

素因数の和:17459

約数の個数: 32

約数和(自身を含む): 205737840

約数和(自身を除く): 114996760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 17317, 34634, 69268, 86585, 138536, 173170, 346340, 692680, 2268527, 4537054, 9074108, 11342635, 18148216, 22685270, 45370540, 90741080]

約数ペア:

[(1, 90741080), (2, 45370540), (4, 22685270), (5, 18148216), (8, 11342635), (10, 9074108), (20, 4537054), (40, 2268527), (131, 692680), (262, 346340), (524, 173170), (655, 138536), (1048, 86585), (1310, 69268), (2620, 34634), (5240, 17317)]