1259402800

素因数分解:

$2^4\times 5^2\times {\mathrm{257}}^1\times {\mathrm{12251}}^1$

素因数の和:12526

約数の個数: 60

約数和(自身を含む): 3037736376

約数和(自身を除く): 1778333576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 257, 400, 514, 1028, 1285, 2056, 2570, 4112, 5140, 6425, 10280, 12251, 12850, 20560, 24502, 25700, 49004, 51400, 61255, 98008, 102800, 122510, 196016, 245020, 306275, 490040, 612550, 980080, 1225100, 2450200, 3148507, 4900400, 6297014, 12594028, 15742535, 25188056, 31485070, 50376112, 62970140, 78712675, 125940280, 157425350, 251880560, 314850700, 629701400, 1259402800]

約数ペア:

[(1, 1259402800), (2, 629701400), (4, 314850700), (5, 251880560), (8, 157425350), (10, 125940280), (16, 78712675), (20, 62970140), (25, 50376112), (40, 31485070), (50, 25188056), (80, 15742535), (100, 12594028), (200, 6297014), (257, 4900400), (400, 3148507), (514, 2450200), (1028, 1225100), (1285, 980080), (2056, 612550), (2570, 490040), (4112, 306275), (5140, 245020), (6425, 196016), (10280, 122510), (12251, 102800), (12850, 98008), (20560, 61255), (24502, 51400), (25700, 49004)]