40707875

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 57552768

約数和(自身を除く): 16844893

約数列:

[1, 5, 13, 25, 41, 47, 65, 125, 169, 205, 235, 325, 533, 611, 845, 1025, 1175, 1625, 1927, 2665, 3055, 4225, 5125, 5875, 6929, 7943, 9635, 13325, 15275, 21125, 25051, 34645, 39715, 48175, 66625, 76375, 125255, 173225, 198575, 240875, 325663, 626275, 866125, 992875, 1628315, 3131375, 8141575, 40707875]

約数ペア:

[(1, 40707875), (5, 8141575), (13, 3131375), (25, 1628315), (41, 992875), (47, 866125), (65, 626275), (125, 325663), (169, 240875), (205, 198575), (235, 173225), (325, 125255), (533, 76375), (611, 66625), (845, 48175), (1025, 39715), (1175, 34645), (1625, 25051), (1927, 21125), (2665, 15275), (3055, 13325), (4225, 9635), (5125, 7943), (5875, 6929)]