89564210

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 164229120

約数和(自身を除く): 74664910

約数列:

[1, 2, 5, 10, 109, 127, 218, 254, 545, 635, 647, 1090, 1270, 1294, 3235, 6470, 13843, 27686, 69215, 70523, 82169, 138430, 141046, 164338, 352615, 410845, 705230, 821690, 8956421, 17912842, 44782105, 89564210]

約数ペア:

[(1, 89564210), (2, 44782105), (5, 17912842), (10, 8956421), (109, 821690), (127, 705230), (218, 410845), (254, 352615), (545, 164338), (635, 141046), (647, 138430), (1090, 82169), (1270, 70523), (1294, 69215), (3235, 27686), (6470, 13843)]