25288250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 27547078

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 251, 310, 325, 403, 502, 650, 775, 806, 1255, 1550, 1625, 2015, 2510, 3250, 3263, 3875, 4030, 6275, 6526, 7750, 7781, 10075, 12550, 15562, 16315, 20150, 31375, 32630, 38905, 50375, 62750, 77810, 81575, 100750, 101153, 163150, 194525, 202306, 389050, 407875, 505765, 815750, 972625, 1011530, 1945250, 2528825, 5057650, 12644125, 25288250]

約数ペア:

[(1, 25288250), (2, 12644125), (5, 5057650), (10, 2528825), (13, 1945250), (25, 1011530), (26, 972625), (31, 815750), (50, 505765), (62, 407875), (65, 389050), (125, 202306), (130, 194525), (155, 163150), (250, 101153), (251, 100750), (310, 81575), (325, 77810), (403, 62750), (502, 50375), (650, 38905), (775, 32630), (806, 31375), (1255, 20150), (1550, 16315), (1625, 15562), (2015, 12550), (2510, 10075), (3250, 7781), (3263, 7750), (3875, 6526), (4030, 6275)]