202489680280

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{1289}}^1\times {\mathrm{3061}}^1$

素因数の和:5644

約数の個数: 64

約数和(自身を含む): 456459688800

約数和(自身を除く): 253970008520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 1289, 2566, 2578, 3061, 5132, 5156, 6122, 6415, 6445, 10264, 10312, 12244, 12830, 12890, 15305, 24488, 25660, 25780, 30610, 51320, 51560, 61220, 122440, 1653787, 3307574, 3927263, 3945629, 6615148, 7854526, 7891258, 8268935, 13230296, 15709052, 15782516, 16537870, 19636315, 19728145, 31418104, 31565032, 33075740, 39272630, 39456290, 66151480, 78545260, 78912580, 157090520, 157825160, 5062242007, 10124484014, 20248968028, 25311210035, 40497936056, 50622420070, 101244840140, 202489680280]

約数ペア:

[(1, 202489680280), (2, 101244840140), (4, 50622420070), (5, 40497936056), (8, 25311210035), (10, 20248968028), (20, 10124484014), (40, 5062242007), (1283, 157825160), (1289, 157090520), (2566, 78912580), (2578, 78545260), (3061, 66151480), (5132, 39456290), (5156, 39272630), (6122, 33075740), (6415, 31565032), (6445, 31418104), (10264, 19728145), (10312, 19636315), (12244, 16537870), (12830, 15782516), (12890, 15709052), (15305, 13230296), (24488, 8268935), (25660, 7891258), (25780, 7854526), (30610, 6615148), (51320, 3945629), (51560, 3927263), (61220, 3307574), (122440, 1653787)]