102111280

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1931}}^1$

素因数の和:2605

約数の個数: 40

約数和(自身を含む): 237891024

約数和(自身を除く): 135779744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 1931, 2644, 3305, 3862, 5288, 6610, 7724, 9655, 10576, 13220, 15448, 19310, 26440, 30896, 38620, 52880, 77240, 154480, 1276391, 2552782, 5105564, 6381955, 10211128, 12763910, 20422256, 25527820, 51055640, 102111280]

約数ペア:

[(1, 102111280), (2, 51055640), (4, 25527820), (5, 20422256), (8, 12763910), (10, 10211128), (16, 6381955), (20, 5105564), (40, 2552782), (80, 1276391), (661, 154480), (1322, 77240), (1931, 52880), (2644, 38620), (3305, 30896), (3862, 26440), (5288, 19310), (6610, 15448), (7724, 13220), (9655, 10576)]