80714120

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4793}}^1$

素因数の和:5225

約数の個数: 32

約数和(自身を含む): 182076120

約数和(自身を除く): 101362000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 4793, 8420, 9586, 16840, 19172, 23965, 38344, 47930, 95860, 191720, 2017853, 4035706, 8071412, 10089265, 16142824, 20178530, 40357060, 80714120]

約数ペア:

[(1, 80714120), (2, 40357060), (4, 20178530), (5, 16142824), (8, 10089265), (10, 8071412), (20, 4035706), (40, 2017853), (421, 191720), (842, 95860), (1684, 47930), (2105, 38344), (3368, 23965), (4210, 19172), (4793, 16840), (8420, 9586)]