634793080

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157127}}^1$

素因数の和:157239

約数の個数: 32

約数和(自身を含む): 1442435040

約数和(自身を除く): 807641960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 157127, 314254, 628508, 785635, 1257016, 1571270, 3142540, 6285080, 15869827, 31739654, 63479308, 79349135, 126958616, 158698270, 317396540, 634793080]

約数ペア:

[(1, 634793080), (2, 317396540), (4, 158698270), (5, 126958616), (8, 79349135), (10, 63479308), (20, 31739654), (40, 15869827), (101, 6285080), (202, 3142540), (404, 1571270), (505, 1257016), (808, 785635), (1010, 628508), (2020, 314254), (4040, 157127)]