25101820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 30055940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 113, 116, 145, 226, 290, 383, 452, 565, 580, 766, 1130, 1532, 1915, 2260, 3277, 3830, 6554, 7660, 11107, 13108, 16385, 22214, 32770, 43279, 44428, 55535, 65540, 86558, 111070, 173116, 216395, 222140, 432790, 865580, 1255091, 2510182, 5020364, 6275455, 12550910, 25101820]

約数ペア:

[(1, 25101820), (2, 12550910), (4, 6275455), (5, 5020364), (10, 2510182), (20, 1255091), (29, 865580), (58, 432790), (113, 222140), (116, 216395), (145, 173116), (226, 111070), (290, 86558), (383, 65540), (452, 55535), (565, 44428), (580, 43279), (766, 32770), (1130, 22214), (1532, 16385), (1915, 13108), (2260, 11107), (3277, 7660), (3830, 6554)]