16201280

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:471

約数の個数: 56

約数和(自身を含む): 38926008

約数和(自身を除く): 22724728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 257, 320, 394, 514, 788, 985, 1028, 1285, 1576, 1970, 2056, 2570, 3152, 3940, 4112, 5140, 6304, 7880, 8224, 10280, 12608, 15760, 16448, 20560, 31520, 41120, 50629, 63040, 82240, 101258, 202516, 253145, 405032, 506290, 810064, 1012580, 1620128, 2025160, 3240256, 4050320, 8100640, 16201280]

約数ペア:

[(1, 16201280), (2, 8100640), (4, 4050320), (5, 3240256), (8, 2025160), (10, 1620128), (16, 1012580), (20, 810064), (32, 506290), (40, 405032), (64, 253145), (80, 202516), (160, 101258), (197, 82240), (257, 63040), (320, 50629), (394, 41120), (514, 31520), (788, 20560), (985, 16448), (1028, 15760), (1285, 12608), (1576, 10280), (1970, 8224), (2056, 7880), (2570, 6304), (3152, 5140), (3940, 4112)]