38216440

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1697}}^1$

素因数の和:2271

約数の個数: 32

約数和(自身を含む): 86190480

約数和(自身を除く): 47974040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 1697, 2252, 2815, 3394, 4504, 5630, 6788, 8485, 11260, 13576, 16970, 22520, 33940, 67880, 955411, 1910822, 3821644, 4777055, 7643288, 9554110, 19108220, 38216440]

約数ペア:

[(1, 38216440), (2, 19108220), (4, 9554110), (5, 7643288), (8, 4777055), (10, 3821644), (20, 1910822), (40, 955411), (563, 67880), (1126, 33940), (1697, 22520), (2252, 16970), (2815, 13576), (3394, 11260), (4504, 8485), (5630, 6788)]