80041040

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3259}}^1$

素因数の和:3579

約数の個数: 40

約数和(自身を含む): 186758880

約数和(自身を除く): 106717840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 3259, 4912, 6140, 6518, 12280, 13036, 16295, 24560, 26072, 32590, 52144, 65180, 130360, 260720, 1000513, 2001026, 4002052, 5002565, 8004104, 10005130, 16008208, 20010260, 40020520, 80041040]

約数ペア:

[(1, 80041040), (2, 40020520), (4, 20010260), (5, 16008208), (8, 10005130), (10, 8004104), (16, 5002565), (20, 4002052), (40, 2001026), (80, 1000513), (307, 260720), (614, 130360), (1228, 65180), (1535, 52144), (2456, 32590), (3070, 26072), (3259, 24560), (4912, 16295), (6140, 13036), (6518, 12280)]