84937640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26879}}^1$

素因数の和:26969

約数の個数: 32

約数和(自身を含む): 193536000

約数和(自身を除く): 108598360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 26879, 53758, 107516, 134395, 215032, 268790, 537580, 1075160, 2123441, 4246882, 8493764, 10617205, 16987528, 21234410, 42468820, 84937640]

約数ペア:

[(1, 84937640), (2, 42468820), (4, 21234410), (5, 16987528), (8, 10617205), (10, 8493764), (20, 4246882), (40, 2123441), (79, 1075160), (158, 537580), (316, 268790), (395, 215032), (632, 134395), (790, 107516), (1580, 53758), (3160, 26879)]