25018540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20507}}^1$

素因数の和:20577

約数の個数: 24

約数和(自身を含む): 53402832

約数和(自身を除く): 28384292

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 20507, 41014, 82028, 102535, 205070, 410140, 1250927, 2501854, 5003708, 6254635, 12509270, 25018540]

約数ペア:

[(1, 25018540), (2, 12509270), (4, 6254635), (5, 5003708), (10, 2501854), (20, 1250927), (61, 410140), (122, 205070), (244, 102535), (305, 82028), (610, 41014), (1220, 20507)]