133558540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{215417}}^1$

素因数の和:215457

約数の個数: 24

約数和(自身を含む): 289521792

約数和(自身を除く): 155963252

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 215417, 430834, 861668, 1077085, 2154170, 4308340, 6677927, 13355854, 26711708, 33389635, 66779270, 133558540]

約数ペア:

[(1, 133558540), (2, 66779270), (4, 33389635), (5, 26711708), (10, 13355854), (20, 6677927), (31, 4308340), (62, 2154170), (124, 1077085), (155, 861668), (310, 430834), (620, 215417)]