39879520

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{887}}^1$

素因数の和:1183

約数の個数: 48

約数和(自身を含む): 94657248

約数和(自身を除く): 54777728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 562, 887, 1124, 1405, 1774, 2248, 2810, 3548, 4435, 4496, 5620, 7096, 8870, 8992, 11240, 14192, 17740, 22480, 28384, 35480, 44960, 70960, 141920, 249247, 498494, 996988, 1246235, 1993976, 2492470, 3987952, 4984940, 7975904, 9969880, 19939760, 39879520]

約数ペア:

[(1, 39879520), (2, 19939760), (4, 9969880), (5, 7975904), (8, 4984940), (10, 3987952), (16, 2492470), (20, 1993976), (32, 1246235), (40, 996988), (80, 498494), (160, 249247), (281, 141920), (562, 70960), (887, 44960), (1124, 35480), (1405, 28384), (1774, 22480), (2248, 17740), (2810, 14192), (3548, 11240), (4435, 8992), (4496, 8870), (5620, 7096)]