90405010

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127331}}^1$

素因数の和:127409

約数の個数: 16

約数和(自身を含む): 165022272

約数和(自身を除く): 74617262

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 127331, 254662, 636655, 1273310, 9040501, 18081002, 45202505, 90405010]

約数ペア:

[(1, 90405010), (2, 45202505), (5, 18081002), (10, 9040501), (71, 1273310), (142, 636655), (355, 254662), (710, 127331)]