25603640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 61776000

約数和(自身を除く): 36172360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 571, 590, 760, 1121, 1142, 1180, 2242, 2284, 2360, 2855, 4484, 4568, 5605, 5710, 8968, 10849, 11210, 11420, 21698, 22420, 22840, 33689, 43396, 44840, 54245, 67378, 86792, 108490, 134756, 168445, 216980, 269512, 336890, 433960, 640091, 673780, 1280182, 1347560, 2560364, 3200455, 5120728, 6400910, 12801820, 25603640]

約数ペア:

[(1, 25603640), (2, 12801820), (4, 6400910), (5, 5120728), (8, 3200455), (10, 2560364), (19, 1347560), (20, 1280182), (38, 673780), (40, 640091), (59, 433960), (76, 336890), (95, 269512), (118, 216980), (152, 168445), (190, 134756), (236, 108490), (295, 86792), (380, 67378), (472, 54245), (571, 44840), (590, 43396), (760, 33689), (1121, 22840), (1142, 22420), (1180, 21698), (2242, 11420), (2284, 11210), (2360, 10849), (2855, 8968), (4484, 5710), (4568, 5605)]