8505400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 21125880

約数和(自身を除く): 12620480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 43, 46, 50, 86, 92, 100, 115, 172, 184, 200, 215, 230, 344, 430, 460, 575, 860, 920, 989, 1075, 1150, 1720, 1849, 1978, 2150, 2300, 3698, 3956, 4300, 4600, 4945, 7396, 7912, 8600, 9245, 9890, 14792, 18490, 19780, 24725, 36980, 39560, 42527, 46225, 49450, 73960, 85054, 92450, 98900, 170108, 184900, 197800, 212635, 340216, 369800, 425270, 850540, 1063175, 1701080, 2126350, 4252700, 8505400]

約数ペア:

[(1, 8505400), (2, 4252700), (4, 2126350), (5, 1701080), (8, 1063175), (10, 850540), (20, 425270), (23, 369800), (25, 340216), (40, 212635), (43, 197800), (46, 184900), (50, 170108), (86, 98900), (92, 92450), (100, 85054), (115, 73960), (172, 49450), (184, 46225), (200, 42527), (215, 39560), (230, 36980), (344, 24725), (430, 19780), (460, 18490), (575, 14792), (860, 9890), (920, 9245), (989, 8600), (1075, 7912), (1150, 7396), (1720, 4945), (1849, 4600), (1978, 4300), (2150, 3956), (2300, 3698)]