15139240

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{821}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 34178760

約数和(自身を除く): 19039520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 821, 922, 1642, 1844, 2305, 3284, 3688, 4105, 4610, 6568, 8210, 9220, 16420, 18440, 32840, 378481, 756962, 1513924, 1892405, 3027848, 3784810, 7569620, 15139240]

約数ペア:

[(1, 15139240), (2, 7569620), (4, 3784810), (5, 3027848), (8, 1892405), (10, 1513924), (20, 756962), (40, 378481), (461, 32840), (821, 18440), (922, 16420), (1642, 9220), (1844, 8210), (2305, 6568), (3284, 4610), (3688, 4105)]