68257720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{100379}}^1$

素因数の和:100407

約数の個数: 32

約数和(自身を含む): 162615600

約数和(自身を除く): 94357880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 100379, 200758, 401516, 501895, 803032, 1003790, 1706443, 2007580, 3412886, 4015160, 6825772, 8532215, 13651544, 17064430, 34128860, 68257720]

約数ペア:

[(1, 68257720), (2, 34128860), (4, 17064430), (5, 13651544), (8, 8532215), (10, 6825772), (17, 4015160), (20, 3412886), (34, 2007580), (40, 1706443), (68, 1003790), (85, 803032), (136, 501895), (170, 401516), (340, 200758), (680, 100379)]