3915920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1623

約数の個数: 40

約数和(自身を含む): 9404160

約数和(自身を除く): 5488240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1579, 2480, 3158, 6316, 7895, 12632, 15790, 25264, 31580, 48949, 63160, 97898, 126320, 195796, 244745, 391592, 489490, 783184, 978980, 1957960, 3915920]

約数ペア:

[(1, 3915920), (2, 1957960), (4, 978980), (5, 783184), (8, 489490), (10, 391592), (16, 244745), (20, 195796), (31, 126320), (40, 97898), (62, 63160), (80, 48949), (124, 31580), (155, 25264), (248, 15790), (310, 12632), (496, 7895), (620, 6316), (1240, 3158), (1579, 2480)]