25656980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 56137536

約数和(自身を除く): 30480556

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 335, 410, 467, 670, 820, 934, 1340, 1868, 2335, 2747, 4670, 5494, 9340, 10988, 13735, 19147, 27470, 31289, 38294, 54940, 62578, 76588, 95735, 125156, 156445, 191470, 312890, 382940, 625780, 1282849, 2565698, 5131396, 6414245, 12828490, 25656980]

約数ペア:

[(1, 25656980), (2, 12828490), (4, 6414245), (5, 5131396), (10, 2565698), (20, 1282849), (41, 625780), (67, 382940), (82, 312890), (134, 191470), (164, 156445), (205, 125156), (268, 95735), (335, 76588), (410, 62578), (467, 54940), (670, 38294), (820, 31289), (934, 27470), (1340, 19147), (1868, 13735), (2335, 10988), (2747, 9340), (4670, 5494)]