81322960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35053}}^1$

素因数の和:35095

約数の個数: 40

約数和(自身を含む): 195601320

約数和(自身を除く): 114278360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 35053, 70106, 140212, 175265, 280424, 350530, 560848, 701060, 1016537, 1402120, 2033074, 2804240, 4066148, 5082685, 8132296, 10165370, 16264592, 20330740, 40661480, 81322960]

約数ペア:

[(1, 81322960), (2, 40661480), (4, 20330740), (5, 16264592), (8, 10165370), (10, 8132296), (16, 5082685), (20, 4066148), (29, 2804240), (40, 2033074), (58, 1402120), (80, 1016537), (116, 701060), (145, 560848), (232, 350530), (290, 280424), (464, 175265), (580, 140212), (1160, 70106), (2320, 35053)]