85986820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{70481}}^1$

素因数の和:70551

約数の個数: 24

約数和(自身を含む): 183535128

約数和(自身を除く): 97548308

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 70481, 140962, 281924, 352405, 704810, 1409620, 4299341, 8598682, 17197364, 21496705, 42993410, 85986820]

約数ペア:

[(1, 85986820), (2, 42993410), (4, 21496705), (5, 17197364), (10, 8598682), (20, 4299341), (61, 1409620), (122, 704810), (244, 352405), (305, 281924), (610, 140962), (1220, 70481)]