27720797410

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1\times {\mathrm{971}}^1$

素因数の和:1587

約数の個数: 64

約数和(自身を含む): 51585206400

約数和(自身を除く): 23864408990

約数列:

[1, 2, 5, 10, 41, 82, 179, 205, 358, 389, 410, 778, 895, 971, 1790, 1942, 1945, 3890, 4855, 7339, 9710, 14678, 15949, 31898, 36695, 39811, 69631, 73390, 79622, 79745, 139262, 159490, 173809, 199055, 347618, 348155, 377719, 398110, 696310, 755438, 869045, 1738090, 1888595, 2854871, 3777190, 5709742, 7126169, 14252338, 14274355, 15486479, 28548710, 30972958, 35630845, 67611701, 71261690, 77432395, 135223402, 154864790, 338058505, 676117010, 2772079741, 5544159482, 13860398705, 27720797410]

約数ペア:

[(1, 27720797410), (2, 13860398705), (5, 5544159482), (10, 2772079741), (41, 676117010), (82, 338058505), (179, 154864790), (205, 135223402), (358, 77432395), (389, 71261690), (410, 67611701), (778, 35630845), (895, 30972958), (971, 28548710), (1790, 15486479), (1942, 14274355), (1945, 14252338), (3890, 7126169), (4855, 5709742), (7339, 3777190), (9710, 2854871), (14678, 1888595), (15949, 1738090), (31898, 869045), (36695, 755438), (39811, 696310), (69631, 398110), (73390, 377719), (79622, 348155), (79745, 347618), (139262, 199055), (159490, 173809)]