81470297780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4786739}}^1$

素因数の和:4786808

約数の個数: 48

約数和(自身を含む): 183351288960

約数和(自身を除く): 101880991180

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 3404, 4255, 8510, 17020, 4786739, 9573478, 19146956, 23933695, 47867390, 95734780, 110094997, 177109343, 220189994, 354218686, 440379988, 550474985, 708437372, 885546715, 1100949970, 1771093430, 2201899940, 3542186860, 4073514889, 8147029778, 16294059556, 20367574445, 40735148890, 81470297780]

約数ペア:

[(1, 81470297780), (2, 40735148890), (4, 20367574445), (5, 16294059556), (10, 8147029778), (20, 4073514889), (23, 3542186860), (37, 2201899940), (46, 1771093430), (74, 1100949970), (92, 885546715), (115, 708437372), (148, 550474985), (185, 440379988), (230, 354218686), (370, 220189994), (460, 177109343), (740, 110094997), (851, 95734780), (1702, 47867390), (3404, 23933695), (4255, 19146956), (8510, 9573478), (17020, 4786739)]