406679080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{327967}}^1$

素因数の和:328009

約数の個数: 32

約数和(自身を含む): 944547840

約数和(自身を除く): 537868760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 327967, 655934, 1311868, 1639835, 2623736, 3279670, 6559340, 10166977, 13118680, 20333954, 40667908, 50834885, 81335816, 101669770, 203339540, 406679080]

約数ペア:

[(1, 406679080), (2, 203339540), (4, 101669770), (5, 81335816), (8, 50834885), (10, 40667908), (20, 20333954), (31, 13118680), (40, 10166977), (62, 6559340), (124, 3279670), (155, 2623736), (248, 1639835), (310, 1311868), (620, 655934), (1240, 327967)]