29027920

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{739}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 67718880

約数和(自身を除く): 38690960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 739, 982, 1478, 1964, 2455, 2956, 3695, 3928, 4910, 5912, 7390, 7856, 9820, 11824, 14780, 19640, 29560, 39280, 59120, 362849, 725698, 1451396, 1814245, 2902792, 3628490, 5805584, 7256980, 14513960, 29027920]

約数ペア:

[(1, 29027920), (2, 14513960), (4, 7256980), (5, 5805584), (8, 3628490), (10, 2902792), (16, 1814245), (20, 1451396), (40, 725698), (80, 362849), (491, 59120), (739, 39280), (982, 29560), (1478, 19640), (1964, 14780), (2455, 11824), (2956, 9820), (3695, 7856), (3928, 7390), (4910, 5912)]