66767560

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1619}}^1$

素因数の和:2661

約数の個数: 32

約数和(自身を含む): 150465600

約数和(自身を除く): 83698040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 1619, 2062, 3238, 4124, 5155, 6476, 8095, 8248, 10310, 12952, 16190, 20620, 32380, 41240, 64760, 1669189, 3338378, 6676756, 8345945, 13353512, 16691890, 33383780, 66767560]

約数ペア:

[(1, 66767560), (2, 33383780), (4, 16691890), (5, 13353512), (8, 8345945), (10, 6676756), (20, 3338378), (40, 1669189), (1031, 64760), (1619, 41240), (2062, 32380), (3238, 20620), (4124, 16190), (5155, 12952), (6476, 10310), (8095, 8248)]