31523320

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1171}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 71093520

約数和(自身を除く): 39570200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1171, 1346, 2342, 2692, 3365, 4684, 5384, 5855, 6730, 9368, 11710, 13460, 23420, 26920, 46840, 788083, 1576166, 3152332, 3940415, 6304664, 7880830, 15761660, 31523320]

約数ペア:

[(1, 31523320), (2, 15761660), (4, 7880830), (5, 6304664), (8, 3940415), (10, 3152332), (20, 1576166), (40, 788083), (673, 46840), (1171, 26920), (1346, 23420), (2342, 13460), (2692, 11710), (3365, 9368), (4684, 6730), (5384, 5855)]