12280775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1303}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 16978080

約数和(自身を除く): 4697305

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1303, 1885, 6515, 9425, 16939, 32575, 37787, 84695, 188935, 423475, 491231, 944675, 2456155, 12280775]

約数ペア:

[(1, 12280775), (5, 2456155), (13, 944675), (25, 491231), (29, 423475), (65, 188935), (145, 84695), (325, 37787), (377, 32575), (725, 16939), (1303, 9425), (1885, 6515)]