31520680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{937}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 73529820

約数和(自身を除く): 42009140

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 841, 937, 1160, 1682, 1874, 3364, 3748, 4205, 4685, 6728, 7496, 8410, 9370, 16820, 18740, 27173, 33640, 37480, 54346, 108692, 135865, 217384, 271730, 543460, 788017, 1086920, 1576034, 3152068, 3940085, 6304136, 7880170, 15760340, 31520680]

約数ペア:

[(1, 31520680), (2, 15760340), (4, 7880170), (5, 6304136), (8, 3940085), (10, 3152068), (20, 1576034), (29, 1086920), (40, 788017), (58, 543460), (116, 271730), (145, 217384), (232, 135865), (290, 108692), (580, 54346), (841, 37480), (937, 33640), (1160, 27173), (1682, 18740), (1874, 16820), (3364, 9370), (3748, 8410), (4205, 7496), (4685, 6728)]