38240

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1$

素因数の和:254

約数の個数: 24

約数和(自身を含む): 90720

約数和(自身を除く): 52480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 7648, 9560, 19120, 38240]

約数ペア:

[(1, 38240), (2, 19120), (4, 9560), (5, 7648), (8, 4780), (10, 3824), (16, 2390), (20, 1912), (32, 1195), (40, 956), (80, 478), (160, 239)]