131262160

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{15053}}^1$

素因数の和:15175

約数の個数: 40

約数和(自身を含む): 308004840

約数和(自身を除く): 176742680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 15053, 30106, 60212, 75265, 120424, 150530, 240848, 301060, 602120, 1204240, 1640777, 3281554, 6563108, 8203885, 13126216, 16407770, 26252432, 32815540, 65631080, 131262160]

約数ペア:

[(1, 131262160), (2, 65631080), (4, 32815540), (5, 26252432), (8, 16407770), (10, 13126216), (16, 8203885), (20, 6563108), (40, 3281554), (80, 1640777), (109, 1204240), (218, 602120), (436, 301060), (545, 240848), (872, 150530), (1090, 120424), (1744, 75265), (2180, 60212), (4360, 30106), (8720, 15053)]