66394480

素因数分解:

$2^4\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1117}}^1$

素因数の和:1873

約数の個数: 40

約数和(自身を含む): 154713312

約数和(自身を除く): 88318832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 743, 1117, 1486, 2234, 2972, 3715, 4468, 5585, 5944, 7430, 8936, 11170, 11888, 14860, 17872, 22340, 29720, 44680, 59440, 89360, 829931, 1659862, 3319724, 4149655, 6639448, 8299310, 13278896, 16598620, 33197240, 66394480]

約数ペア:

[(1, 66394480), (2, 33197240), (4, 16598620), (5, 13278896), (8, 8299310), (10, 6639448), (16, 4149655), (20, 3319724), (40, 1659862), (80, 829931), (743, 89360), (1117, 59440), (1486, 44680), (2234, 29720), (2972, 22340), (3715, 17872), (4468, 14860), (5585, 11888), (5944, 11170), (7430, 8936)]