129801680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55949}}^1$

素因数の和:55991

約数の個数: 40

約数和(自身を含む): 312201000

約数和(自身を除く): 182399320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 55949, 111898, 223796, 279745, 447592, 559490, 895184, 1118980, 1622521, 2237960, 3245042, 4475920, 6490084, 8112605, 12980168, 16225210, 25960336, 32450420, 64900840, 129801680]

約数ペア:

[(1, 129801680), (2, 64900840), (4, 32450420), (5, 25960336), (8, 16225210), (10, 12980168), (16, 8112605), (20, 6490084), (29, 4475920), (40, 3245042), (58, 2237960), (80, 1622521), (116, 1118980), (145, 895184), (232, 559490), (290, 447592), (464, 279745), (580, 223796), (1160, 111898), (2320, 55949)]