65040880

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5849}}^1$

素因数の和:6001

約数の個数: 40

約数和(自身を含む): 152334000

約数和(自身を除く): 87293120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 5849, 11120, 11698, 23396, 29245, 46792, 58490, 93584, 116980, 233960, 467920, 813011, 1626022, 3252044, 4065055, 6504088, 8130110, 13008176, 16260220, 32520440, 65040880]

約数ペア:

[(1, 65040880), (2, 32520440), (4, 16260220), (5, 13008176), (8, 8130110), (10, 6504088), (16, 4065055), (20, 3252044), (40, 1626022), (80, 813011), (139, 467920), (278, 233960), (556, 116980), (695, 93584), (1112, 58490), (1390, 46792), (2224, 29245), (2780, 23396), (5560, 11698), (5849, 11120)]