54770120

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3449}}^1$

素因数の和:3857

約数の個数: 32

約数和(自身を含む): 123579000

約数和(自身を除く): 68808880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3449, 3970, 6898, 7940, 13796, 15880, 17245, 27592, 34490, 68980, 137960, 1369253, 2738506, 5477012, 6846265, 10954024, 13692530, 27385060, 54770120]

約数ペア:

[(1, 54770120), (2, 27385060), (4, 13692530), (5, 10954024), (8, 6846265), (10, 5477012), (20, 2738506), (40, 1369253), (397, 137960), (794, 68980), (1588, 34490), (1985, 27592), (3176, 17245), (3449, 15880), (3970, 13796), (6898, 7940)]