55465820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 121298688

約数和(自身を除く): 65832868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 548, 620, 653, 685, 1306, 1370, 2612, 2740, 3265, 4247, 6530, 8494, 13060, 16988, 20243, 21235, 40486, 42470, 80972, 84940, 89461, 101215, 178922, 202430, 357844, 404860, 447305, 894610, 1789220, 2773291, 5546582, 11093164, 13866455, 27732910, 55465820]

約数ペア:

[(1, 55465820), (2, 27732910), (4, 13866455), (5, 11093164), (10, 5546582), (20, 2773291), (31, 1789220), (62, 894610), (124, 447305), (137, 404860), (155, 357844), (274, 202430), (310, 178922), (548, 101215), (620, 89461), (653, 84940), (685, 80972), (1306, 42470), (1370, 40486), (2612, 21235), (2740, 20243), (3265, 16988), (4247, 13060), (6530, 8494)]