31993520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30763}}^1$

素因数の和:30789

約数の個数: 40

約数和(自身を含む): 80109456

約数和(自身を除く): 48115936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30763, 61526, 123052, 153815, 246104, 307630, 399919, 492208, 615260, 799838, 1230520, 1599676, 1999595, 2461040, 3199352, 3999190, 6398704, 7998380, 15996760, 31993520]

約数ペア:

[(1, 31993520), (2, 15996760), (4, 7998380), (5, 6398704), (8, 3999190), (10, 3199352), (13, 2461040), (16, 1999595), (20, 1599676), (26, 1230520), (40, 799838), (52, 615260), (65, 492208), (80, 399919), (104, 307630), (130, 246104), (208, 153815), (260, 123052), (520, 61526), (1040, 30763)]