31758980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{599}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 73180800

約数和(自身を除く): 41421820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 241, 482, 599, 964, 1198, 1205, 2396, 2410, 2651, 2995, 4820, 5302, 5990, 6589, 10604, 11980, 13178, 13255, 26356, 26510, 32945, 53020, 65890, 131780, 144359, 288718, 577436, 721795, 1443590, 1587949, 2887180, 3175898, 6351796, 7939745, 15879490, 31758980]

約数ペア:

[(1, 31758980), (2, 15879490), (4, 7939745), (5, 6351796), (10, 3175898), (11, 2887180), (20, 1587949), (22, 1443590), (44, 721795), (55, 577436), (110, 288718), (220, 144359), (241, 131780), (482, 65890), (599, 53020), (964, 32945), (1198, 26510), (1205, 26356), (2396, 13255), (2410, 13178), (2651, 11980), (2995, 10604), (4820, 6589), (5302, 5990)]