15661124840

素因数分解:

$2^3\times 5^1\times {\mathrm{391528121}}^1$

素因数の和:391528132

約数の個数: 16

約数和(自身を含む): 35237530980

約数和(自身を除く): 19576406140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 391528121, 783056242, 1566112484, 1957640605, 3132224968, 3915281210, 7830562420, 15661124840]

約数ペア:

[(1, 15661124840), (2, 7830562420), (4, 3915281210), (5, 3132224968), (8, 1957640605), (10, 1566112484), (20, 783056242), (40, 391528121)]