12704080

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{419}}^1$

素因数の和:811

約数の個数: 40

約数和(自身を含む): 29685600

約数和(自身を除く): 16981520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 419, 758, 838, 1516, 1676, 1895, 2095, 3032, 3352, 3790, 4190, 6064, 6704, 7580, 8380, 15160, 16760, 30320, 33520, 158801, 317602, 635204, 794005, 1270408, 1588010, 2540816, 3176020, 6352040, 12704080]

約数ペア:

[(1, 12704080), (2, 6352040), (4, 3176020), (5, 2540816), (8, 1588010), (10, 1270408), (16, 794005), (20, 635204), (40, 317602), (80, 158801), (379, 33520), (419, 30320), (758, 16760), (838, 15160), (1516, 8380), (1676, 7580), (1895, 6704), (2095, 6064), (3032, 4190), (3352, 3790)]