40121480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143291}}^1$

素因数の和:143309

約数の個数: 32

約数和(自身を含む): 103170240

約数和(自身を除く): 63048760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143291, 286582, 573164, 716455, 1003037, 1146328, 1432910, 2006074, 2865820, 4012148, 5015185, 5731640, 8024296, 10030370, 20060740, 40121480]

約数ペア:

[(1, 40121480), (2, 20060740), (4, 10030370), (5, 8024296), (7, 5731640), (8, 5015185), (10, 4012148), (14, 2865820), (20, 2006074), (28, 1432910), (35, 1146328), (40, 1003037), (56, 716455), (70, 573164), (140, 286582), (280, 143291)]