129600680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{26777}}^1$

素因数の和:26810

約数の個数: 48

約数和(自身を含む): 320532660

約数和(自身を除く): 190931980

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 26777, 53554, 107108, 133885, 214216, 267770, 294547, 535540, 589094, 1071080, 1178188, 1472735, 2356376, 2945470, 3240017, 5890940, 6480034, 11781880, 12960068, 16200085, 25920136, 32400170, 64800340, 129600680]

約数ペア:

[(1, 129600680), (2, 64800340), (4, 32400170), (5, 25920136), (8, 16200085), (10, 12960068), (11, 11781880), (20, 6480034), (22, 5890940), (40, 3240017), (44, 2945470), (55, 2356376), (88, 1472735), (110, 1178188), (121, 1071080), (220, 589094), (242, 535540), (440, 294547), (484, 267770), (605, 214216), (968, 133885), (1210, 107108), (2420, 53554), (4840, 26777)]