80861672

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{751}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 155844480

約数和(自身を除く): 74982808

約数列:

[1, 2, 4, 8, 43, 86, 172, 313, 344, 626, 751, 1252, 1502, 2504, 3004, 6008, 13459, 26918, 32293, 53836, 64586, 107672, 129172, 235063, 258344, 470126, 940252, 1880504, 10107709, 20215418, 40430836, 80861672]

約数ペア:

[(1, 80861672), (2, 40430836), (4, 20215418), (8, 10107709), (43, 1880504), (86, 940252), (172, 470126), (313, 258344), (344, 235063), (626, 129172), (751, 107672), (1252, 64586), (1502, 53836), (2504, 32293), (3004, 26918), (6008, 13459)]