205641620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5023}}^1$

素因数の和:5144

約数の個数: 48

約数和(自身を含む): 455777280

約数和(自身を除く): 250135660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1780, 2047, 4094, 5023, 8188, 10046, 10235, 20092, 20470, 25115, 40940, 50230, 100460, 115529, 231058, 447047, 462116, 577645, 894094, 1155290, 1788188, 2235235, 2310580, 4470470, 8940940, 10282081, 20564162, 41128324, 51410405, 102820810, 205641620]

約数ペア:

[(1, 205641620), (2, 102820810), (4, 51410405), (5, 41128324), (10, 20564162), (20, 10282081), (23, 8940940), (46, 4470470), (89, 2310580), (92, 2235235), (115, 1788188), (178, 1155290), (230, 894094), (356, 577645), (445, 462116), (460, 447047), (890, 231058), (1780, 115529), (2047, 100460), (4094, 50230), (5023, 40940), (8188, 25115), (10046, 20470), (10235, 20092)]