40556440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 95349600

約数和(自身を除く): 54793160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 67, 74, 134, 148, 185, 268, 296, 335, 370, 409, 536, 670, 740, 818, 1340, 1480, 1636, 2045, 2479, 2680, 3272, 4090, 4958, 8180, 9916, 12395, 15133, 16360, 19832, 24790, 27403, 30266, 49580, 54806, 60532, 75665, 99160, 109612, 121064, 137015, 151330, 219224, 274030, 302660, 548060, 605320, 1013911, 1096120, 2027822, 4055644, 5069555, 8111288, 10139110, 20278220, 40556440]

約数ペア:

[(1, 40556440), (2, 20278220), (4, 10139110), (5, 8111288), (8, 5069555), (10, 4055644), (20, 2027822), (37, 1096120), (40, 1013911), (67, 605320), (74, 548060), (134, 302660), (148, 274030), (185, 219224), (268, 151330), (296, 137015), (335, 121064), (370, 109612), (409, 99160), (536, 75665), (670, 60532), (740, 54806), (818, 49580), (1340, 30266), (1480, 27403), (1636, 24790), (2045, 19832), (2479, 16360), (2680, 15133), (3272, 12395), (4090, 9916), (4958, 8180)]