201821120

素因数分解:

$2^6\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1153}}^1$

素因数の和:1717

約数の個数: 56

約数和(自身を含む): 481882704

約数和(自身を除く): 280061584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 547, 1094, 1153, 2188, 2306, 2735, 4376, 4612, 5470, 5765, 8752, 9224, 10940, 11530, 17504, 18448, 21880, 23060, 35008, 36896, 43760, 46120, 73792, 87520, 92240, 175040, 184480, 368960, 630691, 1261382, 2522764, 3153455, 5045528, 6306910, 10091056, 12613820, 20182112, 25227640, 40364224, 50455280, 100910560, 201821120]

約数ペア:

[(1, 201821120), (2, 100910560), (4, 50455280), (5, 40364224), (8, 25227640), (10, 20182112), (16, 12613820), (20, 10091056), (32, 6306910), (40, 5045528), (64, 3153455), (80, 2522764), (160, 1261382), (320, 630691), (547, 368960), (1094, 184480), (1153, 175040), (2188, 92240), (2306, 87520), (2735, 73792), (4376, 46120), (4612, 43760), (5470, 36896), (5765, 35008), (8752, 23060), (9224, 21880), (10940, 18448), (11530, 17504)]