28431880

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1171}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 64131840

約数和(自身を除く): 35699960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1171, 1214, 2342, 2428, 3035, 4684, 4856, 5855, 6070, 9368, 11710, 12140, 23420, 24280, 46840, 710797, 1421594, 2843188, 3553985, 5686376, 7107970, 14215940, 28431880]

約数ペア:

[(1, 28431880), (2, 14215940), (4, 7107970), (5, 5686376), (8, 3553985), (10, 2843188), (20, 1421594), (40, 710797), (607, 46840), (1171, 24280), (1214, 23420), (2342, 12140), (2428, 11710), (3035, 9368), (4684, 6070), (4856, 5855)]