31920880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13759}}^1$

素因数の和:13801

約数の個数: 40

約数和(自身を含む): 76780800

約数和(自身を除く): 44859920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 13759, 27518, 55036, 68795, 110072, 137590, 220144, 275180, 399011, 550360, 798022, 1100720, 1596044, 1995055, 3192088, 3990110, 6384176, 7980220, 15960440, 31920880]

約数ペア:

[(1, 31920880), (2, 15960440), (4, 7980220), (5, 6384176), (8, 3990110), (10, 3192088), (16, 1995055), (20, 1596044), (29, 1100720), (40, 798022), (58, 550360), (80, 399011), (116, 275180), (145, 220144), (232, 137590), (290, 110072), (464, 68795), (580, 55036), (1160, 27518), (2320, 13759)]