80102170

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 147164688

約数和(自身を除く): 67062518

約数列:

[1, 2, 5, 10, 73, 146, 197, 365, 394, 557, 730, 985, 1114, 1970, 2785, 5570, 14381, 28762, 40661, 71905, 81322, 109729, 143810, 203305, 219458, 406610, 548645, 1097290, 8010217, 16020434, 40051085, 80102170]

約数ペア:

[(1, 80102170), (2, 40051085), (5, 16020434), (10, 8010217), (73, 1097290), (146, 548645), (197, 406610), (365, 219458), (394, 203305), (557, 143810), (730, 109729), (985, 81322), (1114, 71905), (1970, 40661), (2785, 28762), (5570, 14381)]