17666480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16987}}^1$

素因数の和:17013

約数の個数: 40

約数和(自身を含む): 44236752

約数和(自身を除く): 26570272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 16987, 33974, 67948, 84935, 135896, 169870, 220831, 271792, 339740, 441662, 679480, 883324, 1104155, 1358960, 1766648, 2208310, 3533296, 4416620, 8833240, 17666480]

約数ペア:

[(1, 17666480), (2, 8833240), (4, 4416620), (5, 3533296), (8, 2208310), (10, 1766648), (13, 1358960), (16, 1104155), (20, 883324), (26, 679480), (40, 441662), (52, 339740), (65, 271792), (80, 220831), (104, 169870), (130, 135896), (208, 84935), (260, 67948), (520, 33974), (1040, 16987)]