65835980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1117}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 158523456

約数和(自身を除く): 92687476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1117, 1684, 2105, 2234, 2947, 4210, 4468, 5585, 5894, 7819, 8420, 11170, 11788, 14735, 15638, 22340, 29470, 31276, 39095, 58940, 78190, 156380, 470257, 940514, 1881028, 2351285, 3291799, 4702570, 6583598, 9405140, 13167196, 16458995, 32917990, 65835980]

約数ペア:

[(1, 65835980), (2, 32917990), (4, 16458995), (5, 13167196), (7, 9405140), (10, 6583598), (14, 4702570), (20, 3291799), (28, 2351285), (35, 1881028), (70, 940514), (140, 470257), (421, 156380), (842, 78190), (1117, 58940), (1684, 39095), (2105, 31276), (2234, 29470), (2947, 22340), (4210, 15638), (4468, 14735), (5585, 11788), (5894, 11170), (7819, 8420)]