9780180475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^2\times {\mathrm{5647}}^1$

素因数の和:5816

約数の個数: 36

約数和(自身を含む): 13244006496

約数和(自身を除く): 3463826021

約数列:

[1, 5, 13, 25, 65, 73, 325, 365, 949, 1825, 4745, 5329, 5647, 23725, 26645, 28235, 69277, 73411, 133225, 141175, 346385, 367055, 412231, 1731925, 1835275, 2061155, 5359003, 10305775, 26795015, 30092863, 133975075, 150464315, 391207219, 752321575, 1956036095, 9780180475]

約数ペア:

[(1, 9780180475), (5, 1956036095), (13, 752321575), (25, 391207219), (65, 150464315), (73, 133975075), (325, 30092863), (365, 26795015), (949, 10305775), (1825, 5359003), (4745, 2061155), (5329, 1835275), (5647, 1731925), (23725, 412231), (26645, 367055), (28235, 346385), (69277, 141175), (73411, 133225)]