64386380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3650

約数の個数: 48

約数和(自身を含む): 144426240

約数和(自身を除く): 80039860

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3581, 3596, 4495, 7162, 8990, 14324, 17905, 17980, 35810, 71620, 103849, 111011, 207698, 222022, 415396, 444044, 519245, 555055, 1038490, 1110110, 2076980, 2220220, 3219319, 6438638, 12877276, 16096595, 32193190, 64386380]

約数ペア:

[(1, 64386380), (2, 32193190), (4, 16096595), (5, 12877276), (10, 6438638), (20, 3219319), (29, 2220220), (31, 2076980), (58, 1110110), (62, 1038490), (116, 555055), (124, 519245), (145, 444044), (155, 415396), (290, 222022), (310, 207698), (580, 111011), (620, 103849), (899, 71620), (1798, 35810), (3581, 17980), (3596, 17905), (4495, 14324), (7162, 8990)]