82661271880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4368989}}^1$

素因数の和:4369054

約数の個数: 64

約数和(自身を含む): 207614404800

約数和(自身を除く): 124953132920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 18920, 4368989, 8737978, 17475956, 21844945, 34951912, 43689890, 48058879, 87379780, 96117758, 174759560, 187866527, 192235516, 240294395, 375733054, 384471032, 480588790, 751466108, 939332635, 961177580, 1502932216, 1878665270, 1922355160, 2066531797, 3757330540, 4133063594, 7514661080, 8266127188, 10332658985, 16532254376, 20665317970, 41330635940, 82661271880]

約数ペア:

[(1, 82661271880), (2, 41330635940), (4, 20665317970), (5, 16532254376), (8, 10332658985), (10, 8266127188), (11, 7514661080), (20, 4133063594), (22, 3757330540), (40, 2066531797), (43, 1922355160), (44, 1878665270), (55, 1502932216), (86, 961177580), (88, 939332635), (110, 751466108), (172, 480588790), (215, 384471032), (220, 375733054), (344, 240294395), (430, 192235516), (440, 187866527), (473, 174759560), (860, 96117758), (946, 87379780), (1720, 48058879), (1892, 43689890), (2365, 34951912), (3784, 21844945), (4730, 17475956), (9460, 8737978), (18920, 4368989)]