80821715

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{947}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 106172208

約数和(自身を除く): 25350493

約数列:

[1, 5, 13, 65, 101, 169, 505, 845, 947, 1313, 4735, 6565, 12311, 17069, 61555, 85345, 95647, 160043, 478235, 800215, 1243411, 6217055, 16164343, 80821715]

約数ペア:

[(1, 80821715), (5, 16164343), (13, 6217055), (65, 1243411), (101, 800215), (169, 478235), (505, 160043), (845, 95647), (947, 85345), (1313, 61555), (4735, 17069), (6565, 12311)]