5037500

素因数分解:

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

素因数の和:73

約数の個数: 72

約数和(自身を含む): 12249216

約数和(自身を除く): 7211716

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 125, 130, 155, 250, 260, 310, 325, 403, 500, 620, 625, 650, 775, 806, 1250, 1300, 1550, 1612, 1625, 2015, 2500, 3100, 3125, 3250, 3875, 4030, 6250, 6500, 7750, 8060, 8125, 10075, 12500, 15500, 16250, 19375, 20150, 32500, 38750, 40300, 40625, 50375, 77500, 81250, 96875, 100750, 162500, 193750, 201500, 251875, 387500, 503750, 1007500, 1259375, 2518750, 5037500]

約数ペア:

[(1, 5037500), (2, 2518750), (4, 1259375), (5, 1007500), (10, 503750), (13, 387500), (20, 251875), (25, 201500), (26, 193750), (31, 162500), (50, 100750), (52, 96875), (62, 81250), (65, 77500), (100, 50375), (124, 40625), (125, 40300), (130, 38750), (155, 32500), (250, 20150), (260, 19375), (310, 16250), (325, 15500), (403, 12500), (500, 10075), (620, 8125), (625, 8060), (650, 7750), (775, 6500), (806, 6250), (1250, 4030), (1300, 3875), (1550, 3250), (1612, 3125), (1625, 3100), (2015, 2500)]