39952120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76831}}^1$

素因数の和:76855

約数の個数: 32

約数和(自身を含む): 96808320

約数和(自身を除く): 56856200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 76831, 153662, 307324, 384155, 614648, 768310, 998803, 1536620, 1997606, 3073240, 3995212, 4994015, 7990424, 9988030, 19976060, 39952120]

約数ペア:

[(1, 39952120), (2, 19976060), (4, 9988030), (5, 7990424), (8, 4994015), (10, 3995212), (13, 3073240), (20, 1997606), (26, 1536620), (40, 998803), (52, 768310), (65, 614648), (104, 384155), (130, 307324), (260, 153662), (520, 76831)]