65867780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1907}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 151937856

約数和(自身を除く): 86070076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 1907, 3140, 3454, 3814, 6908, 7628, 8635, 9535, 17270, 19070, 20977, 34540, 38140, 41954, 83908, 104885, 209770, 299399, 419540, 598798, 1197596, 1496995, 2993990, 3293389, 5987980, 6586778, 13173556, 16466945, 32933890, 65867780]

約数ペア:

[(1, 65867780), (2, 32933890), (4, 16466945), (5, 13173556), (10, 6586778), (11, 5987980), (20, 3293389), (22, 2993990), (44, 1496995), (55, 1197596), (110, 598798), (157, 419540), (220, 299399), (314, 209770), (628, 104885), (785, 83908), (1570, 41954), (1727, 38140), (1907, 34540), (3140, 20977), (3454, 19070), (3814, 17270), (6908, 9535), (7628, 8635)]