25020004

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{61}}^2$

素因数の和:208

約数の個数: 27

約数和(自身を含む): 45626763

約数和(自身を除く): 20606759

約数列:

[1, 2, 4, 41, 61, 82, 122, 164, 244, 1681, 2501, 3362, 3721, 5002, 6724, 7442, 10004, 14884, 102541, 152561, 205082, 305122, 410164, 610244, 6255001, 12510002, 25020004]

約数ペア:

[(1, 25020004), (2, 12510002), (4, 6255001), (41, 610244), (61, 410164), (82, 305122), (122, 205082), (164, 152561), (244, 102541), (1681, 14884), (2501, 10004), (3362, 7442), (3721, 6724)]