40732720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10391}}^1$

素因数の和:10418

約数の個数: 60

約数和(自身を含む): 110175984

約数和(自身を除く): 69443264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10391, 20782, 41564, 51955, 72737, 83128, 103910, 145474, 166256, 207820, 290948, 363685, 415640, 509159, 581896, 727370, 831280, 1018318, 1163792, 1454740, 2036636, 2545795, 2909480, 4073272, 5091590, 5818960, 8146544, 10183180, 20366360, 40732720]

約数ペア:

[(1, 40732720), (2, 20366360), (4, 10183180), (5, 8146544), (7, 5818960), (8, 5091590), (10, 4073272), (14, 2909480), (16, 2545795), (20, 2036636), (28, 1454740), (35, 1163792), (40, 1018318), (49, 831280), (56, 727370), (70, 581896), (80, 509159), (98, 415640), (112, 363685), (140, 290948), (196, 207820), (245, 166256), (280, 145474), (392, 103910), (490, 83128), (560, 72737), (784, 51955), (980, 41564), (1960, 20782), (3920, 10391)]