77142160

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9941}}^1$

素因数の和:10051

約数の個数: 40

約数和(自身を含む): 181222776

約数和(自身を除く): 104080616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 9941, 19882, 39764, 49705, 79528, 99410, 159056, 198820, 397640, 795280, 964277, 1928554, 3857108, 4821385, 7714216, 9642770, 15428432, 19285540, 38571080, 77142160]

約数ペア:

[(1, 77142160), (2, 38571080), (4, 19285540), (5, 15428432), (8, 9642770), (10, 7714216), (16, 4821385), (20, 3857108), (40, 1928554), (80, 964277), (97, 795280), (194, 397640), (388, 198820), (485, 159056), (776, 99410), (970, 79528), (1552, 49705), (1940, 39764), (3880, 19882), (7760, 9941)]