15696765640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20653639}}^1$

素因数の和:20653669

約数の個数: 32

約数和(自身を含む): 37176552000

約数和(自身を除く): 21479786360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20653639, 41307278, 82614556, 103268195, 165229112, 206536390, 392419141, 413072780, 784838282, 826145560, 1569676564, 1962095705, 3139353128, 3924191410, 7848382820, 15696765640]

約数ペア:

[(1, 15696765640), (2, 7848382820), (4, 3924191410), (5, 3139353128), (8, 1962095705), (10, 1569676564), (19, 826145560), (20, 784838282), (38, 413072780), (40, 392419141), (76, 206536390), (95, 165229112), (152, 103268195), (190, 82614556), (380, 41307278), (760, 20653639)]