25972120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12251}}^1$

素因数の和:12315

約数の個数: 32

約数和(自身を含む): 59544720

約数和(自身を除く): 33572600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 12251, 24502, 49004, 61255, 98008, 122510, 245020, 490040, 649303, 1298606, 2597212, 3246515, 5194424, 6493030, 12986060, 25972120]

約数ペア:

[(1, 25972120), (2, 12986060), (4, 6493030), (5, 5194424), (8, 3246515), (10, 2597212), (20, 1298606), (40, 649303), (53, 490040), (106, 245020), (212, 122510), (265, 98008), (424, 61255), (530, 49004), (1060, 24502), (2120, 12251)]