51886250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 80

約数和(自身を含む): 109165056

約数和(自身を除く): 57278806

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 103, 125, 130, 155, 206, 250, 310, 325, 403, 515, 625, 650, 775, 806, 1030, 1250, 1339, 1550, 1625, 2015, 2575, 2678, 3193, 3250, 3875, 4030, 5150, 6386, 6695, 7750, 8125, 10075, 12875, 13390, 15965, 16250, 19375, 20150, 25750, 31930, 33475, 38750, 41509, 50375, 64375, 66950, 79825, 83018, 100750, 128750, 159650, 167375, 207545, 251875, 334750, 399125, 415090, 503750, 798250, 836875, 1037725, 1673750, 1995625, 2075450, 3991250, 5188625, 10377250, 25943125, 51886250]

約数ペア:

[(1, 51886250), (2, 25943125), (5, 10377250), (10, 5188625), (13, 3991250), (25, 2075450), (26, 1995625), (31, 1673750), (50, 1037725), (62, 836875), (65, 798250), (103, 503750), (125, 415090), (130, 399125), (155, 334750), (206, 251875), (250, 207545), (310, 167375), (325, 159650), (403, 128750), (515, 100750), (625, 83018), (650, 79825), (775, 66950), (806, 64375), (1030, 50375), (1250, 41509), (1339, 38750), (1550, 33475), (1625, 31930), (2015, 25750), (2575, 20150), (2678, 19375), (3193, 16250), (3250, 15965), (3875, 13390), (4030, 12875), (5150, 10075), (6386, 8125), (6695, 7750)]