131752660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4649}}^1$

素因数の和:4780

約数の個数: 48

約数和(自身を含む): 300762000

約数和(自身を除く): 169009340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 4649, 5668, 7085, 9298, 14170, 18596, 23245, 28340, 46490, 60437, 92980, 120874, 241748, 302185, 506741, 604370, 1013482, 1208740, 2026964, 2533705, 5067410, 6587633, 10134820, 13175266, 26350532, 32938165, 65876330, 131752660]

約数ペア:

[(1, 131752660), (2, 65876330), (4, 32938165), (5, 26350532), (10, 13175266), (13, 10134820), (20, 6587633), (26, 5067410), (52, 2533705), (65, 2026964), (109, 1208740), (130, 1013482), (218, 604370), (260, 506741), (436, 302185), (545, 241748), (1090, 120874), (1417, 92980), (2180, 60437), (2834, 46490), (4649, 28340), (5668, 23245), (7085, 18596), (9298, 14170)]