2008265920

素因数分解:

$2^6\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{5659}}^1$

素因数の和:6785

約数の個数: 56

約数和(自身を含む): 4787341200

約数和(自身を除く): 2779075280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1109, 2218, 4436, 5545, 5659, 8872, 11090, 11318, 17744, 22180, 22636, 28295, 35488, 44360, 45272, 56590, 70976, 88720, 90544, 113180, 177440, 181088, 226360, 354880, 362176, 452720, 905440, 1810880, 6275831, 12551662, 25103324, 31379155, 50206648, 62758310, 100413296, 125516620, 200826592, 251033240, 401653184, 502066480, 1004132960, 2008265920]

約数ペア:

[(1, 2008265920), (2, 1004132960), (4, 502066480), (5, 401653184), (8, 251033240), (10, 200826592), (16, 125516620), (20, 100413296), (32, 62758310), (40, 50206648), (64, 31379155), (80, 25103324), (160, 12551662), (320, 6275831), (1109, 1810880), (2218, 905440), (4436, 452720), (5545, 362176), (5659, 354880), (8872, 226360), (11090, 181088), (11318, 177440), (17744, 113180), (22180, 90544), (22636, 88720), (28295, 70976), (35488, 56590), (44360, 45272)]