40851920

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{739}}^1$

素因数の和:1443

約数の個数: 40

約数和(自身を含む): 95246880

約数和(自身を除く): 54394960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 739, 1382, 1478, 2764, 2956, 3455, 3695, 5528, 5912, 6910, 7390, 11056, 11824, 13820, 14780, 27640, 29560, 55280, 59120, 510649, 1021298, 2042596, 2553245, 4085192, 5106490, 8170384, 10212980, 20425960, 40851920]

約数ペア:

[(1, 40851920), (2, 20425960), (4, 10212980), (5, 8170384), (8, 5106490), (10, 4085192), (16, 2553245), (20, 2042596), (40, 1021298), (80, 510649), (691, 59120), (739, 55280), (1382, 29560), (1478, 27640), (2764, 14780), (2956, 13820), (3455, 11824), (3695, 11056), (5528, 7390), (5912, 6910)]