43240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:81

約数の個数: 32

約数和(自身を含む): 103680

約数和(自身を除く): 60440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1880, 2162, 4324, 5405, 8648, 10810, 21620, 43240]

約数ペア:

[(1, 43240), (2, 21620), (4, 10810), (5, 8648), (8, 5405), (10, 4324), (20, 2162), (23, 1880), (40, 1081), (46, 940), (47, 920), (92, 470), (94, 460), (115, 376), (184, 235), (188, 230)]