201589520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{827}}^1$

素因数の和:1128

約数の個数: 80

約数和(自身を含む): 513770688

約数和(自身を除く): 312181168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 277, 440, 554, 827, 880, 1108, 1385, 1654, 2216, 2770, 3047, 3308, 4135, 4432, 5540, 6094, 6616, 8270, 9097, 11080, 12188, 13232, 15235, 16540, 18194, 22160, 24376, 30470, 33080, 36388, 45485, 48752, 60940, 66160, 72776, 90970, 121880, 145552, 181940, 229079, 243760, 363880, 458158, 727760, 916316, 1145395, 1832632, 2290790, 2519869, 3665264, 4581580, 5039738, 9163160, 10079476, 12599345, 18326320, 20158952, 25198690, 40317904, 50397380, 100794760, 201589520]

約数ペア:

[(1, 201589520), (2, 100794760), (4, 50397380), (5, 40317904), (8, 25198690), (10, 20158952), (11, 18326320), (16, 12599345), (20, 10079476), (22, 9163160), (40, 5039738), (44, 4581580), (55, 3665264), (80, 2519869), (88, 2290790), (110, 1832632), (176, 1145395), (220, 916316), (277, 727760), (440, 458158), (554, 363880), (827, 243760), (880, 229079), (1108, 181940), (1385, 145552), (1654, 121880), (2216, 90970), (2770, 72776), (3047, 66160), (3308, 60940), (4135, 48752), (4432, 45485), (5540, 36388), (6094, 33080), (6616, 30470), (8270, 24376), (9097, 22160), (11080, 18194), (12188, 16540), (13232, 15235)]