16653040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 40854528

約数和(自身を除く): 24201488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 103, 172, 188, 206, 215, 235, 344, 376, 412, 430, 470, 515, 688, 752, 824, 860, 940, 1030, 1648, 1720, 1880, 2021, 2060, 3440, 3760, 4042, 4120, 4429, 4841, 8084, 8240, 8858, 9682, 10105, 16168, 17716, 19364, 20210, 22145, 24205, 32336, 35432, 38728, 40420, 44290, 48410, 70864, 77456, 80840, 88580, 96820, 161680, 177160, 193640, 208163, 354320, 387280, 416326, 832652, 1040815, 1665304, 2081630, 3330608, 4163260, 8326520, 16653040]

約数ペア:

[(1, 16653040), (2, 8326520), (4, 4163260), (5, 3330608), (8, 2081630), (10, 1665304), (16, 1040815), (20, 832652), (40, 416326), (43, 387280), (47, 354320), (80, 208163), (86, 193640), (94, 177160), (103, 161680), (172, 96820), (188, 88580), (206, 80840), (215, 77456), (235, 70864), (344, 48410), (376, 44290), (412, 40420), (430, 38728), (470, 35432), (515, 32336), (688, 24205), (752, 22145), (824, 20210), (860, 19364), (940, 17716), (1030, 16168), (1648, 10105), (1720, 9682), (1880, 8858), (2021, 8240), (2060, 8084), (3440, 4841), (3760, 4429), (4042, 4120)]