25822460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^2\times {\mathrm{163}}^1$

素因数の和:350

約数の個数: 36

約数和(自身を含む): 55179768

約数和(自身を除く): 29357308

約数列:

[1, 2, 4, 5, 10, 20, 89, 163, 178, 326, 356, 445, 652, 815, 890, 1630, 1780, 3260, 7921, 14507, 15842, 29014, 31684, 39605, 58028, 72535, 79210, 145070, 158420, 290140, 1291123, 2582246, 5164492, 6455615, 12911230, 25822460]

約数ペア:

[(1, 25822460), (2, 12911230), (4, 6455615), (5, 5164492), (10, 2582246), (20, 1291123), (89, 290140), (163, 158420), (178, 145070), (326, 79210), (356, 72535), (445, 58028), (652, 39605), (815, 31684), (890, 29014), (1630, 15842), (1780, 14507), (3260, 7921)]