200455720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70583}}^1$

素因数の和:70665

約数の個数: 32

約数和(自身を含む): 457384320

約数和(自身を除く): 256928600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 70583, 141166, 282332, 352915, 564664, 705830, 1411660, 2823320, 5011393, 10022786, 20045572, 25056965, 40091144, 50113930, 100227860, 200455720]

約数ペア:

[(1, 200455720), (2, 100227860), (4, 50113930), (5, 40091144), (8, 25056965), (10, 20045572), (20, 10022786), (40, 5011393), (71, 2823320), (142, 1411660), (284, 705830), (355, 564664), (568, 352915), (710, 282332), (1420, 141166), (2840, 70583)]