89970640

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{8209}}^1$

素因数の和:8359

約数の個数: 40

約数和(自身を含む): 210734280

約数和(自身を除く): 120763640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 8209, 10960, 16418, 32836, 41045, 65672, 82090, 131344, 164180, 328360, 656720, 1124633, 2249266, 4498532, 5623165, 8997064, 11246330, 17994128, 22492660, 44985320, 89970640]

約数ペア:

[(1, 89970640), (2, 44985320), (4, 22492660), (5, 17994128), (8, 11246330), (10, 8997064), (16, 5623165), (20, 4498532), (40, 2249266), (80, 1124633), (137, 656720), (274, 328360), (548, 164180), (685, 131344), (1096, 82090), (1370, 65672), (2192, 41045), (2740, 32836), (5480, 16418), (8209, 10960)]