1957960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 4550400

約数和(自身を除く): 2592440

約数列:

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

約数ペア:

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