51560440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 122664960

約数和(自身を除く): 71104520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 967, 1240, 1333, 1720, 1934, 2666, 3868, 4835, 5332, 6665, 7736, 9670, 10664, 13330, 19340, 26660, 29977, 38680, 41581, 53320, 59954, 83162, 119908, 149885, 166324, 207905, 239816, 299770, 332648, 415810, 599540, 831620, 1199080, 1289011, 1663240, 2578022, 5156044, 6445055, 10312088, 12890110, 25780220, 51560440]

約数ペア:

[(1, 51560440), (2, 25780220), (4, 12890110), (5, 10312088), (8, 6445055), (10, 5156044), (20, 2578022), (31, 1663240), (40, 1289011), (43, 1199080), (62, 831620), (86, 599540), (124, 415810), (155, 332648), (172, 299770), (215, 239816), (248, 207905), (310, 166324), (344, 149885), (430, 119908), (620, 83162), (860, 59954), (967, 53320), (1240, 41581), (1333, 38680), (1720, 29977), (1934, 26660), (2666, 19340), (3868, 13330), (4835, 10664), (5332, 9670), (6665, 7736)]