25689080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20717}}^1$

素因数の和:20759

約数の個数: 32

約数和(自身を含む): 59667840

約数和(自身を除く): 33978760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20717, 41434, 82868, 103585, 165736, 207170, 414340, 642227, 828680, 1284454, 2568908, 3211135, 5137816, 6422270, 12844540, 25689080]

約数ペア:

[(1, 25689080), (2, 12844540), (4, 6422270), (5, 5137816), (8, 3211135), (10, 2568908), (20, 1284454), (31, 828680), (40, 642227), (62, 414340), (124, 207170), (155, 165736), (248, 103585), (310, 82868), (620, 41434), (1240, 20717)]