51143180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7499}}^1$

素因数の和:7550

約数の個数: 48

約数和(自身を含む): 120960000

約数和(自身を除く): 69816820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 7499, 14998, 29996, 37495, 74990, 82489, 149980, 164978, 232469, 329956, 412445, 464938, 824890, 929876, 1162345, 1649780, 2324690, 2557159, 4649380, 5114318, 10228636, 12785795, 25571590, 51143180]

約数ペア:

[(1, 51143180), (2, 25571590), (4, 12785795), (5, 10228636), (10, 5114318), (11, 4649380), (20, 2557159), (22, 2324690), (31, 1649780), (44, 1162345), (55, 929876), (62, 824890), (110, 464938), (124, 412445), (155, 329956), (220, 232469), (310, 164978), (341, 149980), (620, 82489), (682, 74990), (1364, 37495), (1705, 29996), (3410, 14998), (6820, 7499)]