78203260

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{4129}}^1$

素因数の和:5085

約数の個数: 24

約数和(自身を含む): 164440080

約数和(自身を除く): 86236820

約数列:

[1, 2, 4, 5, 10, 20, 947, 1894, 3788, 4129, 4735, 8258, 9470, 16516, 18940, 20645, 41290, 82580, 3910163, 7820326, 15640652, 19550815, 39101630, 78203260]

約数ペア:

[(1, 78203260), (2, 39101630), (4, 19550815), (5, 15640652), (10, 7820326), (20, 3910163), (947, 82580), (1894, 41290), (3788, 20645), (4129, 18940), (4735, 16516), (8258, 9470)]