68327740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2411}}^1$

素因数の和:2542

約数の個数: 48

約数和(自身を含む): 156008160

約数和(自身を除く): 87680420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2411, 2834, 4822, 5668, 7085, 9644, 12055, 14170, 24110, 28340, 31343, 48220, 62686, 125372, 156715, 262799, 313430, 525598, 626860, 1051196, 1313995, 2627990, 3416387, 5255980, 6832774, 13665548, 17081935, 34163870, 68327740]

約数ペア:

[(1, 68327740), (2, 34163870), (4, 17081935), (5, 13665548), (10, 6832774), (13, 5255980), (20, 3416387), (26, 2627990), (52, 1313995), (65, 1051196), (109, 626860), (130, 525598), (218, 313430), (260, 262799), (436, 156715), (545, 125372), (1090, 62686), (1417, 48220), (2180, 31343), (2411, 28340), (2834, 24110), (4822, 14170), (5668, 12055), (7085, 9644)]