2563457920

素因数分解:

$2^7\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{2053}}^1$

素因数の和:4023

約数の個数: 64

約数和(自身を含む): 6134394240

約数和(自身を除く): 3570936320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1951, 2053, 3902, 4106, 7804, 8212, 9755, 10265, 15608, 16424, 19510, 20530, 31216, 32848, 39020, 41060, 62432, 65696, 78040, 82120, 124864, 131392, 156080, 164240, 249728, 262784, 312160, 328480, 624320, 656960, 1248640, 1313920, 4005403, 8010806, 16021612, 20027015, 32043224, 40054030, 64086448, 80108060, 128172896, 160216120, 256345792, 320432240, 512691584, 640864480, 1281728960, 2563457920]

約数ペア:

[(1, 2563457920), (2, 1281728960), (4, 640864480), (5, 512691584), (8, 320432240), (10, 256345792), (16, 160216120), (20, 128172896), (32, 80108060), (40, 64086448), (64, 40054030), (80, 32043224), (128, 20027015), (160, 16021612), (320, 8010806), (640, 4005403), (1951, 1313920), (2053, 1248640), (3902, 656960), (4106, 624320), (7804, 328480), (8212, 312160), (9755, 262784), (10265, 249728), (15608, 164240), (16424, 156080), (19510, 131392), (20530, 124864), (31216, 82120), (32848, 78040), (39020, 65696), (41060, 62432)]