72286960

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1367}}^1$

素因数の和:2041

約数の個数: 40

約数和(自身を含む): 168444576

約数和(自身を除く): 96157616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 1367, 2644, 2734, 3305, 5288, 5468, 6610, 6835, 10576, 10936, 13220, 13670, 21872, 26440, 27340, 52880, 54680, 109360, 903587, 1807174, 3614348, 4517935, 7228696, 9035870, 14457392, 18071740, 36143480, 72286960]

約数ペア:

[(1, 72286960), (2, 36143480), (4, 18071740), (5, 14457392), (8, 9035870), (10, 7228696), (16, 4517935), (20, 3614348), (40, 1807174), (80, 903587), (661, 109360), (1322, 54680), (1367, 52880), (2644, 27340), (2734, 26440), (3305, 21872), (5288, 13670), (5468, 13220), (6610, 10936), (6835, 10576)]