40827640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3391}}^1$

素因数の和:3452

約数の個数: 64

約数和(自身を含む): 107458560

約数和(自身を除く): 66630920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 3391, 6020, 6782, 12040, 13564, 16955, 23737, 27128, 33910, 47474, 67820, 94948, 118685, 135640, 145813, 189896, 237370, 291626, 474740, 583252, 729065, 949480, 1020691, 1166504, 1458130, 2041382, 2916260, 4082764, 5103455, 5832520, 8165528, 10206910, 20413820, 40827640]

約数ペア:

[(1, 40827640), (2, 20413820), (4, 10206910), (5, 8165528), (7, 5832520), (8, 5103455), (10, 4082764), (14, 2916260), (20, 2041382), (28, 1458130), (35, 1166504), (40, 1020691), (43, 949480), (56, 729065), (70, 583252), (86, 474740), (140, 291626), (172, 237370), (215, 189896), (280, 145813), (301, 135640), (344, 118685), (430, 94948), (602, 67820), (860, 47474), (1204, 33910), (1505, 27128), (1720, 23737), (2408, 16955), (3010, 13564), (3391, 12040), (6020, 6782)]