20123110520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26477777}}^1$

素因数の和:26477807

約数の個数: 32

約数和(自身を含む): 47660000400

約数和(自身を除く): 27536889880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26477777, 52955554, 105911108, 132388885, 211822216, 264777770, 503077763, 529555540, 1006155526, 1059111080, 2012311052, 2515388815, 4024622104, 5030777630, 10061555260, 20123110520]

約数ペア:

[(1, 20123110520), (2, 10061555260), (4, 5030777630), (5, 4024622104), (8, 2515388815), (10, 2012311052), (19, 1059111080), (20, 1006155526), (38, 529555540), (40, 503077763), (76, 264777770), (95, 211822216), (152, 132388885), (190, 105911108), (380, 52955554), (760, 26477777)]