6720025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 9999360

約数和(自身を除く): 3279335

約数列:

[1, 5, 13, 23, 25, 29, 31, 65, 115, 145, 155, 299, 325, 377, 403, 575, 667, 713, 725, 775, 899, 1495, 1885, 2015, 3335, 3565, 4495, 7475, 8671, 9269, 9425, 10075, 11687, 16675, 17825, 20677, 22475, 43355, 46345, 58435, 103385, 216775, 231725, 268801, 292175, 516925, 1344005, 6720025]

約数ペア:

[(1, 6720025), (5, 1344005), (13, 516925), (23, 292175), (25, 268801), (29, 231725), (31, 216775), (65, 103385), (115, 58435), (145, 46345), (155, 43355), (299, 22475), (325, 20677), (377, 17825), (403, 16675), (575, 11687), (667, 10075), (713, 9425), (725, 9269), (775, 8671), (899, 7475), (1495, 4495), (1885, 3565), (2015, 3335)]