7780329220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1\times {\mathrm{6257}}^1$

素因数の和:7132

約数の個数: 48

約数和(自身を含む): 16569181440

約数和(自身を除く): 8788852220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 787, 790, 1574, 1580, 3148, 3935, 6257, 7870, 12514, 15740, 25028, 31285, 62173, 62570, 124346, 125140, 248692, 310865, 494303, 621730, 988606, 1243460, 1977212, 2471515, 4924259, 4943030, 9848518, 9886060, 19697036, 24621295, 49242590, 98485180, 389016461, 778032922, 1556065844, 1945082305, 3890164610, 7780329220]

約数ペア:

[(1, 7780329220), (2, 3890164610), (4, 1945082305), (5, 1556065844), (10, 778032922), (20, 389016461), (79, 98485180), (158, 49242590), (316, 24621295), (395, 19697036), (787, 9886060), (790, 9848518), (1574, 4943030), (1580, 4924259), (3148, 2471515), (3935, 1977212), (6257, 1243460), (7870, 988606), (12514, 621730), (15740, 494303), (25028, 310865), (31285, 248692), (62173, 125140), (62570, 124346)]