38641040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6803}}^1$

素因数の和:6887

約数の個数: 40

約数和(自身を含む): 91119168

約数和(自身を除く): 52478128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 6803, 13606, 27212, 34015, 54424, 68030, 108848, 136060, 272120, 483013, 544240, 966026, 1932052, 2415065, 3864104, 4830130, 7728208, 9660260, 19320520, 38641040]

約数ペア:

[(1, 38641040), (2, 19320520), (4, 9660260), (5, 7728208), (8, 4830130), (10, 3864104), (16, 2415065), (20, 1932052), (40, 966026), (71, 544240), (80, 483013), (142, 272120), (284, 136060), (355, 108848), (568, 68030), (710, 54424), (1136, 34015), (1420, 27212), (2840, 13606), (5680, 6803)]