25658380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{523}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 59157504

約数和(自身を除く): 33499124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 523, 892, 1046, 1115, 2092, 2230, 2453, 2615, 4460, 4906, 5230, 5753, 9812, 10460, 11506, 12265, 23012, 24530, 28765, 49060, 57530, 115060, 116629, 233258, 466516, 583145, 1166290, 1282919, 2332580, 2565838, 5131676, 6414595, 12829190, 25658380]

約数ペア:

[(1, 25658380), (2, 12829190), (4, 6414595), (5, 5131676), (10, 2565838), (11, 2332580), (20, 1282919), (22, 1166290), (44, 583145), (55, 466516), (110, 233258), (220, 116629), (223, 115060), (446, 57530), (523, 49060), (892, 28765), (1046, 24530), (1115, 23012), (2092, 12265), (2230, 11506), (2453, 10460), (2615, 9812), (4460, 5753), (4906, 5230)]