87361220

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{40823}}^1$

素因数の和:40939

約数の個数: 24

約数和(自身を含む): 185177664

約数和(自身を除く): 97816444

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 40823, 81646, 163292, 204115, 408230, 816460, 4368061, 8736122, 17472244, 21840305, 43680610, 87361220]

約数ペア:

[(1, 87361220), (2, 43680610), (4, 21840305), (5, 17472244), (10, 8736122), (20, 4368061), (107, 816460), (214, 408230), (428, 204115), (535, 163292), (1070, 81646), (2140, 40823)]