80491000

素因数分解:

$2^3\times 5^3\times {\mathrm{80491}}^1$

素因数の和:80512

約数の個数: 32

約数和(自身を含む): 188351280

約数和(自身を除く): 107860280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 80491, 160982, 321964, 402455, 643928, 804910, 1609820, 2012275, 3219640, 4024550, 8049100, 10061375, 16098200, 20122750, 40245500, 80491000]

約数ペア:

[(1, 80491000), (2, 40245500), (4, 20122750), (5, 16098200), (8, 10061375), (10, 8049100), (20, 4024550), (25, 3219640), (40, 2012275), (50, 1609820), (100, 804910), (125, 643928), (200, 402455), (250, 321964), (500, 160982), (1000, 80491)]