25449820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3989}}^1$

素因数の和:4038

約数の個数: 48

約数和(自身を含む): 60328800

約数和(自身を除く): 34878980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 3989, 6380, 7978, 15956, 19945, 39890, 43879, 79780, 87758, 115681, 175516, 219395, 231362, 438790, 462724, 578405, 877580, 1156810, 1272491, 2313620, 2544982, 5089964, 6362455, 12724910, 25449820]

約数ペア:

[(1, 25449820), (2, 12724910), (4, 6362455), (5, 5089964), (10, 2544982), (11, 2313620), (20, 1272491), (22, 1156810), (29, 877580), (44, 578405), (55, 462724), (58, 438790), (110, 231362), (116, 219395), (145, 175516), (220, 115681), (290, 87758), (319, 79780), (580, 43879), (638, 39890), (1276, 19945), (1595, 15956), (3190, 7978), (3989, 6380)]