62968750

素因数分解:

$2^1\times 5^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 64

約数和(自身を含む): 131249664

約数和(自身を除く): 68280914

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 325, 403, 625, 650, 775, 806, 1250, 1550, 1625, 2015, 3125, 3250, 3875, 4030, 6250, 7750, 8125, 10075, 15625, 16250, 19375, 20150, 31250, 38750, 40625, 50375, 78125, 81250, 96875, 100750, 156250, 193750, 203125, 251875, 406250, 484375, 503750, 968750, 1015625, 1259375, 2031250, 2421875, 2518750, 4843750, 6296875, 12593750, 31484375, 62968750]

約数ペア:

[(1, 62968750), (2, 31484375), (5, 12593750), (10, 6296875), (13, 4843750), (25, 2518750), (26, 2421875), (31, 2031250), (50, 1259375), (62, 1015625), (65, 968750), (125, 503750), (130, 484375), (155, 406250), (250, 251875), (310, 203125), (325, 193750), (403, 156250), (625, 100750), (650, 96875), (775, 81250), (806, 78125), (1250, 50375), (1550, 40625), (1625, 38750), (2015, 31250), (3125, 20150), (3250, 19375), (3875, 16250), (4030, 15625), (6250, 10075), (7750, 8125)]