25110520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21647}}^1$

素因数の和:21687

約数の個数: 32

約数和(自身を含む): 58449600

約数和(自身を除く): 33339080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 21647, 43294, 86588, 108235, 173176, 216470, 432940, 627763, 865880, 1255526, 2511052, 3138815, 5022104, 6277630, 12555260, 25110520]

約数ペア:

[(1, 25110520), (2, 12555260), (4, 6277630), (5, 5022104), (8, 3138815), (10, 2511052), (20, 1255526), (29, 865880), (40, 627763), (58, 432940), (116, 216470), (145, 173176), (232, 108235), (290, 86588), (580, 43294), (1160, 21647)]