56317960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 131155200

約数和(自身を除く): 74837240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 239, 274, 344, 430, 478, 548, 685, 860, 956, 1096, 1195, 1370, 1720, 1912, 2390, 2740, 4780, 5480, 5891, 9560, 10277, 11782, 20554, 23564, 29455, 32743, 41108, 47128, 51385, 58910, 65486, 82216, 102770, 117820, 130972, 163715, 205540, 235640, 261944, 327430, 411080, 654860, 1309720, 1407949, 2815898, 5631796, 7039745, 11263592, 14079490, 28158980, 56317960]

約数ペア:

[(1, 56317960), (2, 28158980), (4, 14079490), (5, 11263592), (8, 7039745), (10, 5631796), (20, 2815898), (40, 1407949), (43, 1309720), (86, 654860), (137, 411080), (172, 327430), (215, 261944), (239, 235640), (274, 205540), (344, 163715), (430, 130972), (478, 117820), (548, 102770), (685, 82216), (860, 65486), (956, 58910), (1096, 51385), (1195, 47128), (1370, 41108), (1720, 32743), (1912, 29455), (2390, 23564), (2740, 20554), (4780, 11782), (5480, 10277), (5891, 9560)]