39249880

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2447}}^1$

素因数の和:2859

約数の個数: 32

約数和(自身を含む): 88568640

約数和(自身を除く): 49318760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 2447, 3208, 4010, 4894, 8020, 9788, 12235, 16040, 19576, 24470, 48940, 97880, 981247, 1962494, 3924988, 4906235, 7849976, 9812470, 19624940, 39249880]

約数ペア:

[(1, 39249880), (2, 19624940), (4, 9812470), (5, 7849976), (8, 4906235), (10, 3924988), (20, 1962494), (40, 981247), (401, 97880), (802, 48940), (1604, 24470), (2005, 19576), (2447, 16040), (3208, 12235), (4010, 9788), (4894, 8020)]