164908550

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 314979840

約数和(自身を除く): 150071290

約数列:

[1, 2, 5, 10, 25, 50, 79, 83, 158, 166, 395, 415, 503, 790, 830, 1006, 1975, 2075, 2515, 3950, 4150, 5030, 6557, 12575, 13114, 25150, 32785, 39737, 41749, 65570, 79474, 83498, 163925, 198685, 208745, 327850, 397370, 417490, 993425, 1043725, 1986850, 2087450, 3298171, 6596342, 16490855, 32981710, 82454275, 164908550]

約数ペア:

[(1, 164908550), (2, 82454275), (5, 32981710), (10, 16490855), (25, 6596342), (50, 3298171), (79, 2087450), (83, 1986850), (158, 1043725), (166, 993425), (395, 417490), (415, 397370), (503, 327850), (790, 208745), (830, 198685), (1006, 163925), (1975, 83498), (2075, 79474), (2515, 65570), (3950, 41749), (4150, 39737), (5030, 32785), (6557, 25150), (12575, 13114)]