89037470

素因数分解:

$2^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{4481}}^1$

素因数の和:6475

約数の個数: 16

約数和(自身を含む): 160383888

約数和(自身を除く): 71346418

約数列:

[1, 2, 5, 10, 1987, 3974, 4481, 8962, 9935, 19870, 22405, 44810, 8903747, 17807494, 44518735, 89037470]

約数ペア:

[(1, 89037470), (2, 44518735), (5, 17807494), (10, 8903747), (1987, 44810), (3974, 22405), (4481, 19870), (8962, 9935)]