70232180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{2089}}^1$

素因数の和:2180

約数の個数: 36

約数和(自身を含む): 151244940

約数和(自身を除く): 81012760

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681, 2089, 3362, 4178, 6724, 8356, 8405, 10445, 16810, 20890, 33620, 41780, 85649, 171298, 342596, 428245, 856490, 1712980, 3511609, 7023218, 14046436, 17558045, 35116090, 70232180]

約数ペア:

[(1, 70232180), (2, 35116090), (4, 17558045), (5, 14046436), (10, 7023218), (20, 3511609), (41, 1712980), (82, 856490), (164, 428245), (205, 342596), (410, 171298), (820, 85649), (1681, 41780), (2089, 33620), (3362, 20890), (4178, 16810), (6724, 10445), (8356, 8405)]