40367420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 88905600

約数和(自身を除く): 48538180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 881, 1580, 1762, 2291, 3524, 4405, 4582, 8810, 9164, 11455, 17620, 22910, 25549, 45820, 51098, 69599, 102196, 127745, 139198, 255490, 278396, 347995, 510980, 695990, 1391980, 2018371, 4036742, 8073484, 10091855, 20183710, 40367420]

約数ペア:

[(1, 40367420), (2, 20183710), (4, 10091855), (5, 8073484), (10, 4036742), (20, 2018371), (29, 1391980), (58, 695990), (79, 510980), (116, 347995), (145, 278396), (158, 255490), (290, 139198), (316, 127745), (395, 102196), (580, 69599), (790, 51098), (881, 45820), (1580, 25549), (1762, 22910), (2291, 17620), (3524, 11455), (4405, 9164), (4582, 8810)]