40129810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18493}}^1$

素因数の和:18538

約数の個数: 32

約数和(自身を含む): 85220352

約数和(自身を除く): 45090542

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 18493, 36986, 92465, 129451, 184930, 258902, 573283, 647255, 1146566, 1294510, 2866415, 4012981, 5732830, 8025962, 20064905, 40129810]

約数ペア:

[(1, 40129810), (2, 20064905), (5, 8025962), (7, 5732830), (10, 4012981), (14, 2866415), (31, 1294510), (35, 1146566), (62, 647255), (70, 573283), (155, 258902), (217, 184930), (310, 129451), (434, 92465), (1085, 36986), (2170, 18493)]