40304380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 88179840

約数和(自身を除く): 47875460

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 809, 940, 1060, 1618, 2491, 3236, 4045, 4982, 8090, 9964, 12455, 16180, 24910, 38023, 42877, 49820, 76046, 85754, 152092, 171508, 190115, 214385, 380230, 428770, 760460, 857540, 2015219, 4030438, 8060876, 10076095, 20152190, 40304380]

約数ペア:

[(1, 40304380), (2, 20152190), (4, 10076095), (5, 8060876), (10, 4030438), (20, 2015219), (47, 857540), (53, 760460), (94, 428770), (106, 380230), (188, 214385), (212, 190115), (235, 171508), (265, 152092), (470, 85754), (530, 76046), (809, 49820), (940, 42877), (1060, 38023), (1618, 24910), (2491, 16180), (3236, 12455), (4045, 9964), (4982, 8090)]