25511020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 56010528

約数和(自身を除く): 30499508

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 587, 820, 1060, 1174, 2173, 2348, 2935, 4346, 5870, 8692, 10865, 11740, 21730, 24067, 31111, 43460, 48134, 62222, 96268, 120335, 124444, 155555, 240670, 311110, 481340, 622220, 1275551, 2551102, 5102204, 6377755, 12755510, 25511020]

約数ペア:

[(1, 25511020), (2, 12755510), (4, 6377755), (5, 5102204), (10, 2551102), (20, 1275551), (41, 622220), (53, 481340), (82, 311110), (106, 240670), (164, 155555), (205, 124444), (212, 120335), (265, 96268), (410, 62222), (530, 48134), (587, 43460), (820, 31111), (1060, 24067), (1174, 21730), (2173, 11740), (2348, 10865), (2935, 8692), (4346, 5870)]