3955784380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1\times {\mathrm{4447}}^1$

素因数の和:5098

約数の個数: 48

約数和(自身を含む): 8429137920

約数和(自身を除く): 4473353540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 563, 790, 1126, 1580, 2252, 2815, 4447, 5630, 8894, 11260, 17788, 22235, 44470, 44477, 88940, 88954, 177908, 222385, 351313, 444770, 702626, 889540, 1405252, 1756565, 2503661, 3513130, 5007322, 7026260, 10014644, 12518305, 25036610, 50073220, 197789219, 395578438, 791156876, 988946095, 1977892190, 3955784380]

約数ペア:

[(1, 3955784380), (2, 1977892190), (4, 988946095), (5, 791156876), (10, 395578438), (20, 197789219), (79, 50073220), (158, 25036610), (316, 12518305), (395, 10014644), (563, 7026260), (790, 5007322), (1126, 3513130), (1580, 2503661), (2252, 1756565), (2815, 1405252), (4447, 889540), (5630, 702626), (8894, 444770), (11260, 351313), (17788, 222385), (22235, 177908), (44470, 88954), (44477, 88940)]