4167640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3361}}^1$

素因数の和:3403

約数の個数: 32

約数和(自身を含む): 9682560

約数和(自身を除く): 5514920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3361, 6722, 13444, 16805, 26888, 33610, 67220, 104191, 134440, 208382, 416764, 520955, 833528, 1041910, 2083820, 4167640]

約数ペア:

[(1, 4167640), (2, 2083820), (4, 1041910), (5, 833528), (8, 520955), (10, 416764), (20, 208382), (31, 134440), (40, 104191), (62, 67220), (124, 33610), (155, 26888), (248, 16805), (310, 13444), (620, 6722), (1240, 3361)]