207664840

素因数分解:

$2^3\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{3391}}^1$

素因数の和:4933

約数の個数: 32

約数和(自身を含む): 467688960

約数和(自身を除く): 260024120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1531, 3062, 3391, 6124, 6782, 7655, 12248, 13564, 15310, 16955, 27128, 30620, 33910, 61240, 67820, 135640, 5191621, 10383242, 20766484, 25958105, 41532968, 51916210, 103832420, 207664840]

約数ペア:

[(1, 207664840), (2, 103832420), (4, 51916210), (5, 41532968), (8, 25958105), (10, 20766484), (20, 10383242), (40, 5191621), (1531, 135640), (3062, 67820), (3391, 61240), (6124, 33910), (6782, 30620), (7655, 27128), (12248, 16955), (13564, 15310)]