18400

素因数分解:

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

素因数の和:43

約数の個数: 36

約数和(自身を含む): 46872

約数和(自身を除く): 28472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 160, 184, 200, 230, 368, 400, 460, 575, 736, 800, 920, 1150, 1840, 2300, 3680, 4600, 9200, 18400]

約数ペア:

[(1, 18400), (2, 9200), (4, 4600), (5, 3680), (8, 2300), (10, 1840), (16, 1150), (20, 920), (23, 800), (25, 736), (32, 575), (40, 460), (46, 400), (50, 368), (80, 230), (92, 200), (100, 184), (115, 160)]