80521768

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1367}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 155952000

約数和(自身を除く): 75430232

約数列:

[1, 2, 4, 8, 37, 74, 148, 199, 296, 398, 796, 1367, 1592, 2734, 5468, 7363, 10936, 14726, 29452, 50579, 58904, 101158, 202316, 272033, 404632, 544066, 1088132, 2176264, 10065221, 20130442, 40260884, 80521768]

約数ペア:

[(1, 80521768), (2, 40260884), (4, 20130442), (8, 10065221), (37, 2176264), (74, 1088132), (148, 544066), (199, 404632), (296, 272033), (398, 202316), (796, 101158), (1367, 58904), (1592, 50579), (2734, 29452), (5468, 14726), (7363, 10936)]