7131973840

素因数分解:

$2^4\times 5^1\times {\mathrm{4243}}^1\times {\mathrm{21011}}^1$

素因数の和:25267

約数の個数: 40

約数和(自身を含む): 16586536608

約数和(自身を除く): 9454562768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4243, 8486, 16972, 21011, 21215, 33944, 42022, 42430, 67888, 84044, 84860, 105055, 168088, 169720, 210110, 336176, 339440, 420220, 840440, 1680880, 89149673, 178299346, 356598692, 445748365, 713197384, 891496730, 1426394768, 1782993460, 3565986920, 7131973840]

約数ペア:

[(1, 7131973840), (2, 3565986920), (4, 1782993460), (5, 1426394768), (8, 891496730), (10, 713197384), (16, 445748365), (20, 356598692), (40, 178299346), (80, 89149673), (4243, 1680880), (8486, 840440), (16972, 420220), (21011, 339440), (21215, 336176), (33944, 210110), (42022, 169720), (42430, 168088), (67888, 105055), (84044, 84860)]