38663440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28429}}^1$

素因数の和:28459

約数の個数: 40

約数和(自身を含む): 95183640

約数和(自身を除く): 56520200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 28429, 56858, 113716, 142145, 227432, 284290, 454864, 483293, 568580, 966586, 1137160, 1933172, 2274320, 2416465, 3866344, 4832930, 7732688, 9665860, 19331720, 38663440]

約数ペア:

[(1, 38663440), (2, 19331720), (4, 9665860), (5, 7732688), (8, 4832930), (10, 3866344), (16, 2416465), (17, 2274320), (20, 1933172), (34, 1137160), (40, 966586), (68, 568580), (80, 483293), (85, 454864), (136, 284290), (170, 227432), (272, 142145), (340, 113716), (680, 56858), (1360, 28429)]