80764240

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7369}}^1$

素因数の和:7519

約数の個数: 40

約数和(自身を含む): 189173160

約数和(自身を除く): 108408920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 7369, 10960, 14738, 29476, 36845, 58952, 73690, 117904, 147380, 294760, 589520, 1009553, 2019106, 4038212, 5047765, 8076424, 10095530, 16152848, 20191060, 40382120, 80764240]

約数ペア:

[(1, 80764240), (2, 40382120), (4, 20191060), (5, 16152848), (8, 10095530), (10, 8076424), (16, 5047765), (20, 4038212), (40, 2019106), (80, 1009553), (137, 589520), (274, 294760), (548, 147380), (685, 117904), (1096, 73690), (1370, 58952), (2192, 36845), (2740, 29476), (5480, 14738), (7369, 10960)]