38479960

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2399}}^1$

素因数の和:2811

約数の個数: 32

約数和(自身を含む): 86832000

約数和(自身を除く): 48352040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 2399, 3208, 4010, 4798, 8020, 9596, 11995, 16040, 19192, 23990, 47980, 95960, 961999, 1923998, 3847996, 4809995, 7695992, 9619990, 19239980, 38479960]

約数ペア:

[(1, 38479960), (2, 19239980), (4, 9619990), (5, 7695992), (8, 4809995), (10, 3847996), (20, 1923998), (40, 961999), (401, 95960), (802, 47980), (1604, 23990), (2005, 19192), (2399, 16040), (3208, 11995), (4010, 9596), (4798, 8020)]