85178320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25969}}^1$

素因数の和:26023

約数の個数: 40

約数和(自身を含む): 202877640

約数和(自身を除く): 117699320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 25969, 51938, 103876, 129845, 207752, 259690, 415504, 519380, 1038760, 1064729, 2077520, 2129458, 4258916, 5323645, 8517832, 10647290, 17035664, 21294580, 42589160, 85178320]

約数ペア:

[(1, 85178320), (2, 42589160), (4, 21294580), (5, 17035664), (8, 10647290), (10, 8517832), (16, 5323645), (20, 4258916), (40, 2129458), (41, 2077520), (80, 1064729), (82, 1038760), (164, 519380), (205, 415504), (328, 259690), (410, 207752), (656, 129845), (820, 103876), (1640, 51938), (3280, 25969)]