40476440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12809}}^1$

素因数の和:12899

約数の個数: 32

約数和(自身を含む): 92232000

約数和(自身を除く): 51755560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 12809, 25618, 51236, 64045, 102472, 128090, 256180, 512360, 1011911, 2023822, 4047644, 5059555, 8095288, 10119110, 20238220, 40476440]

約数ペア:

[(1, 40476440), (2, 20238220), (4, 10119110), (5, 8095288), (8, 5059555), (10, 4047644), (20, 2023822), (40, 1011911), (79, 512360), (158, 256180), (316, 128090), (395, 102472), (632, 64045), (790, 51236), (1580, 25618), (3160, 12809)]