81885010

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{115331}}^1$

素因数の和:115409

約数の個数: 16

約数和(自身を含む): 149470272

約数和(自身を除く): 67585262

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 115331, 230662, 576655, 1153310, 8188501, 16377002, 40942505, 81885010]

約数ペア:

[(1, 81885010), (2, 40942505), (5, 16377002), (10, 8188501), (71, 1153310), (142, 576655), (355, 230662), (710, 115331)]