20080200088

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{243479}}^1$

素因数の和:243572

約数の個数: 48

約数和(自身を含む): 41437861200

約数和(自身を除く): 21357661112

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 169, 244, 338, 488, 676, 793, 1352, 1586, 3172, 6344, 10309, 20618, 41236, 82472, 243479, 486958, 973916, 1947832, 3165227, 6330454, 12660908, 14852219, 25321816, 29704438, 41147951, 59408876, 82295902, 118817752, 164591804, 193078847, 329183608, 386157694, 772315388, 1544630776, 2510025011, 5020050022, 10040100044, 20080200088]

約数ペア:

[(1, 20080200088), (2, 10040100044), (4, 5020050022), (8, 2510025011), (13, 1544630776), (26, 772315388), (52, 386157694), (61, 329183608), (104, 193078847), (122, 164591804), (169, 118817752), (244, 82295902), (338, 59408876), (488, 41147951), (676, 29704438), (793, 25321816), (1352, 14852219), (1586, 12660908), (3172, 6330454), (6344, 3165227), (10309, 1947832), (20618, 973916), (41236, 486958), (82472, 243479)]