31990520

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4789}}^1$

素因数の和:4967

約数の個数: 32

約数和(自身を含む): 72424800

約数和(自身を除く): 40434280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 4789, 6680, 9578, 19156, 23945, 38312, 47890, 95780, 191560, 799763, 1599526, 3199052, 3998815, 6398104, 7997630, 15995260, 31990520]

約数ペア:

[(1, 31990520), (2, 15995260), (4, 7997630), (5, 6398104), (8, 3998815), (10, 3199052), (20, 1599526), (40, 799763), (167, 191560), (334, 95780), (668, 47890), (835, 38312), (1336, 23945), (1670, 19156), (3340, 9578), (4789, 6680)]