80807665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{1327}}^1$

素因数の和:1992

約数の個数: 16

約数和(自身を含む): 102309120

約数和(自身を除く): 21501455

約数列:

[1, 5, 19, 95, 641, 1327, 3205, 6635, 12179, 25213, 60895, 126065, 850607, 4253035, 16161533, 80807665]

約数ペア:

[(1, 80807665), (5, 16161533), (19, 4253035), (95, 850607), (641, 126065), (1327, 60895), (3205, 25213), (6635, 12179)]