54768740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{673}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 124441968

約数和(自身を除く): 69673228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 673, 1252, 1346, 1565, 2692, 3130, 3365, 4069, 6260, 6730, 8138, 8749, 13460, 16276, 17498, 20345, 34996, 40690, 43745, 81380, 87490, 174980, 210649, 421298, 842596, 1053245, 2106490, 2738437, 4212980, 5476874, 10953748, 13692185, 27384370, 54768740]

約数ペア:

[(1, 54768740), (2, 27384370), (4, 13692185), (5, 10953748), (10, 5476874), (13, 4212980), (20, 2738437), (26, 2106490), (52, 1053245), (65, 842596), (130, 421298), (260, 210649), (313, 174980), (626, 87490), (673, 81380), (1252, 43745), (1346, 40690), (1565, 34996), (2692, 20345), (3130, 17498), (3365, 16276), (4069, 13460), (6260, 8749), (6730, 8138)]