15726940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 34836480

約数和(自身を除く): 19109540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 179, 191, 230, 358, 382, 460, 716, 764, 895, 955, 1790, 1910, 3580, 3820, 4117, 4393, 8234, 8786, 16468, 17572, 20585, 21965, 34189, 41170, 43930, 68378, 82340, 87860, 136756, 170945, 341890, 683780, 786347, 1572694, 3145388, 3931735, 7863470, 15726940]

約数ペア:

[(1, 15726940), (2, 7863470), (4, 3931735), (5, 3145388), (10, 1572694), (20, 786347), (23, 683780), (46, 341890), (92, 170945), (115, 136756), (179, 87860), (191, 82340), (230, 68378), (358, 43930), (382, 41170), (460, 34189), (716, 21965), (764, 20585), (895, 17572), (955, 16468), (1790, 8786), (1910, 8234), (3580, 4393), (3820, 4117)]