77772040

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13049}}^1$

素因数の和:13209

約数の個数: 32

約数和(自身を含む): 176175000

約数和(自身を除く): 98402960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 13049, 26098, 52196, 65245, 104392, 130490, 260980, 521960, 1944301, 3888602, 7777204, 9721505, 15554408, 19443010, 38886020, 77772040]

約数ペア:

[(1, 77772040), (2, 38886020), (4, 19443010), (5, 15554408), (8, 9721505), (10, 7777204), (20, 3888602), (40, 1944301), (149, 521960), (298, 260980), (596, 130490), (745, 104392), (1192, 65245), (1490, 52196), (2980, 26098), (5960, 13049)]