84606460

素因数分解:

$2^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{2129}}^1$

素因数の和:4125

約数の個数: 24

約数和(自身を含む): 177846480

約数和(自身を除く): 93240020

約数列:

[1, 2, 4, 5, 10, 20, 1987, 2129, 3974, 4258, 7948, 8516, 9935, 10645, 19870, 21290, 39740, 42580, 4230323, 8460646, 16921292, 21151615, 42303230, 84606460]

約数ペア:

[(1, 84606460), (2, 42303230), (4, 21151615), (5, 16921292), (10, 8460646), (20, 4230323), (1987, 42580), (2129, 39740), (3974, 21290), (4258, 19870), (7948, 10645), (8516, 9935)]