31480760

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6197}}^1$

素因数の和:6335

約数の個数: 32

約数和(自身を含む): 71400960

約数和(自身を除く): 39920200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 6197, 12394, 24788, 30985, 49576, 61970, 123940, 247880, 787019, 1574038, 3148076, 3935095, 6296152, 7870190, 15740380, 31480760]

約数ペア:

[(1, 31480760), (2, 15740380), (4, 7870190), (5, 6296152), (8, 3935095), (10, 3148076), (20, 1574038), (40, 787019), (127, 247880), (254, 123940), (508, 61970), (635, 49576), (1016, 30985), (1270, 24788), (2540, 12394), (5080, 6197)]