31625750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 65729664

約数和(自身を除く): 34103914

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 125, 130, 185, 250, 263, 325, 370, 481, 526, 650, 925, 962, 1315, 1625, 1850, 2405, 2630, 3250, 3419, 4625, 4810, 6575, 6838, 9250, 9731, 12025, 13150, 17095, 19462, 24050, 32875, 34190, 48655, 60125, 65750, 85475, 97310, 120250, 126503, 170950, 243275, 253006, 427375, 486550, 632515, 854750, 1216375, 1265030, 2432750, 3162575, 6325150, 15812875, 31625750]

約数ペア:

[(1, 31625750), (2, 15812875), (5, 6325150), (10, 3162575), (13, 2432750), (25, 1265030), (26, 1216375), (37, 854750), (50, 632515), (65, 486550), (74, 427375), (125, 253006), (130, 243275), (185, 170950), (250, 126503), (263, 120250), (325, 97310), (370, 85475), (481, 65750), (526, 60125), (650, 48655), (925, 34190), (962, 32875), (1315, 24050), (1625, 19462), (1850, 17095), (2405, 13150), (2630, 12025), (3250, 9731), (3419, 9250), (4625, 6838), (4810, 6575)]