51854440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117851}}^1$

素因数の和:117873

約数の個数: 32

約数和(自身を含む): 127280160

約数和(自身を除く): 75425720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117851, 235702, 471404, 589255, 942808, 1178510, 1296361, 2357020, 2592722, 4714040, 5185444, 6481805, 10370888, 12963610, 25927220, 51854440]

約数ペア:

[(1, 51854440), (2, 25927220), (4, 12963610), (5, 10370888), (8, 6481805), (10, 5185444), (11, 4714040), (20, 2592722), (22, 2357020), (40, 1296361), (44, 1178510), (55, 942808), (88, 589255), (110, 471404), (220, 235702), (440, 117851)]