129120875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 174894720

約数和(自身を除く): 45773845

約数列:

[1, 5, 13, 25, 65, 125, 181, 325, 439, 905, 1625, 2195, 2353, 4525, 5707, 10975, 11765, 22625, 28535, 54875, 58825, 79459, 142675, 294125, 397295, 713375, 1032967, 1986475, 5164835, 9932375, 25824175, 129120875]

約数ペア:

[(1, 129120875), (5, 25824175), (13, 9932375), (25, 5164835), (65, 1986475), (125, 1032967), (181, 713375), (325, 397295), (439, 294125), (905, 142675), (1625, 79459), (2195, 58825), (2353, 54875), (4525, 28535), (5707, 22625), (10975, 11765)]