56648680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128747}}^1$

素因数の和:128769

約数の個数: 32

約数和(自身を含む): 139047840

約数和(自身を除く): 82399160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128747, 257494, 514988, 643735, 1029976, 1287470, 1416217, 2574940, 2832434, 5149880, 5664868, 7081085, 11329736, 14162170, 28324340, 56648680]

約数ペア:

[(1, 56648680), (2, 28324340), (4, 14162170), (5, 11329736), (8, 7081085), (10, 5664868), (11, 5149880), (20, 2832434), (22, 2574940), (40, 1416217), (44, 1287470), (55, 1029976), (88, 643735), (110, 514988), (220, 257494), (440, 128747)]