39770440

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1229}}^1$

素因数の和:2049

約数の個数: 32

約数和(自身を含む): 89667000

約数和(自身を除く): 49896560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1229, 1618, 2458, 3236, 4045, 4916, 6145, 6472, 8090, 9832, 12290, 16180, 24580, 32360, 49160, 994261, 1988522, 3977044, 4971305, 7954088, 9942610, 19885220, 39770440]

約数ペア:

[(1, 39770440), (2, 19885220), (4, 9942610), (5, 7954088), (8, 4971305), (10, 3977044), (20, 1988522), (40, 994261), (809, 49160), (1229, 32360), (1618, 24580), (2458, 16180), (3236, 12290), (4045, 9832), (4916, 8090), (6145, 6472)]