126090640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3911}}^1$

素因数の和:3968

約数の個数: 80

約数和(自身を含む): 325979136

約数和(自身を除く): 199888496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 3911, 4030, 6448, 7822, 8060, 15644, 16120, 19555, 31288, 32240, 39110, 50843, 62576, 78220, 101686, 121241, 156440, 203372, 242482, 254215, 312880, 406744, 484964, 508430, 606205, 813488, 969928, 1016860, 1212410, 1576133, 1939856, 2033720, 2424820, 3152266, 4067440, 4849640, 6304532, 7880665, 9699280, 12609064, 15761330, 25218128, 31522660, 63045320, 126090640]

約数ペア:

[(1, 126090640), (2, 63045320), (4, 31522660), (5, 25218128), (8, 15761330), (10, 12609064), (13, 9699280), (16, 7880665), (20, 6304532), (26, 4849640), (31, 4067440), (40, 3152266), (52, 2424820), (62, 2033720), (65, 1939856), (80, 1576133), (104, 1212410), (124, 1016860), (130, 969928), (155, 813488), (208, 606205), (248, 508430), (260, 484964), (310, 406744), (403, 312880), (496, 254215), (520, 242482), (620, 203372), (806, 156440), (1040, 121241), (1240, 101686), (1612, 78220), (2015, 62576), (2480, 50843), (3224, 39110), (3911, 32240), (4030, 31288), (6448, 19555), (7822, 16120), (8060, 15644)]