57721120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21221}}^1$

素因数の和:21253

約数の個数: 48

約数和(自身を含む): 144394488

約数和(自身を除く): 86673368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 21221, 42442, 84884, 106105, 169768, 212210, 339536, 360757, 424420, 679072, 721514, 848840, 1443028, 1697680, 1803785, 2886056, 3395360, 3607570, 5772112, 7215140, 11544224, 14430280, 28860560, 57721120]

約数ペア:

[(1, 57721120), (2, 28860560), (4, 14430280), (5, 11544224), (8, 7215140), (10, 5772112), (16, 3607570), (17, 3395360), (20, 2886056), (32, 1803785), (34, 1697680), (40, 1443028), (68, 848840), (80, 721514), (85, 679072), (136, 424420), (160, 360757), (170, 339536), (272, 212210), (340, 169768), (544, 106105), (680, 84884), (1360, 42442), (2720, 21221)]