28795120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8779}}^1$

素因数の和:8833

約数の個数: 40

約数和(自身を含む): 68589360

約数和(自身を除く): 39794240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 8779, 17558, 35116, 43895, 70232, 87790, 140464, 175580, 351160, 359939, 702320, 719878, 1439756, 1799695, 2879512, 3599390, 5759024, 7198780, 14397560, 28795120]

約数ペア:

[(1, 28795120), (2, 14397560), (4, 7198780), (5, 5759024), (8, 3599390), (10, 2879512), (16, 1799695), (20, 1439756), (40, 719878), (41, 702320), (80, 359939), (82, 351160), (164, 175580), (205, 140464), (328, 87790), (410, 70232), (656, 43895), (820, 35116), (1640, 17558), (3280, 8779)]