159879040

素因数分解:

$2^7\times 5^1\times {\mathrm{249811}}^1$

素因数の和:249830

約数の個数: 32

約数和(自身を含む): 382212360

約数和(自身を除く): 222333320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 249811, 499622, 999244, 1249055, 1998488, 2498110, 3996976, 4996220, 7993952, 9992440, 15987904, 19984880, 31975808, 39969760, 79939520, 159879040]

約数ペア:

[(1, 159879040), (2, 79939520), (4, 39969760), (5, 31975808), (8, 19984880), (10, 15987904), (16, 9992440), (20, 7993952), (32, 4996220), (40, 3996976), (64, 2498110), (80, 1998488), (128, 1249055), (160, 999244), (320, 499622), (640, 249811)]