85655380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{48121}}^1$

素因数の和:48219

約数の個数: 24

約数和(自身を含む): 181901160

約数和(自身を除く): 96245780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 48121, 96242, 192484, 240605, 481210, 962420, 4282769, 8565538, 17131076, 21413845, 42827690, 85655380]

約数ペア:

[(1, 85655380), (2, 42827690), (4, 21413845), (5, 17131076), (10, 8565538), (20, 4282769), (89, 962420), (178, 481210), (356, 240605), (445, 192484), (890, 96242), (1780, 48121)]