31208120

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3407}}^1$

素因数の和:3647

約数の個数: 32

約数和(自身を含む): 70545600

約数和(自身を除く): 39337480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 3407, 4580, 6814, 9160, 13628, 17035, 27256, 34070, 68140, 136280, 780203, 1560406, 3120812, 3901015, 6241624, 7802030, 15604060, 31208120]

約数ペア:

[(1, 31208120), (2, 15604060), (4, 7802030), (5, 6241624), (8, 3901015), (10, 3120812), (20, 1560406), (40, 780203), (229, 136280), (458, 68140), (916, 34070), (1145, 27256), (1832, 17035), (2290, 13628), (3407, 9160), (4580, 6814)]