2011199480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{2161}}^1$

素因数の和:2664

約数の個数: 64

約数和(自身を含む): 4623220800

約数和(自身を除く): 2612021320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 439, 530, 878, 1060, 1756, 2120, 2161, 2195, 3512, 4322, 4390, 8644, 8780, 10805, 17288, 17560, 21610, 23267, 43220, 46534, 86440, 93068, 114533, 116335, 186136, 229066, 232670, 458132, 465340, 572665, 916264, 930680, 948679, 1145330, 1897358, 2290660, 3794716, 4581320, 4743395, 7589432, 9486790, 18973580, 37947160, 50279987, 100559974, 201119948, 251399935, 402239896, 502799870, 1005599740, 2011199480]

約数ペア:

[(1, 2011199480), (2, 1005599740), (4, 502799870), (5, 402239896), (8, 251399935), (10, 201119948), (20, 100559974), (40, 50279987), (53, 37947160), (106, 18973580), (212, 9486790), (265, 7589432), (424, 4743395), (439, 4581320), (530, 3794716), (878, 2290660), (1060, 1897358), (1756, 1145330), (2120, 948679), (2161, 930680), (2195, 916264), (3512, 572665), (4322, 465340), (4390, 458132), (8644, 232670), (8780, 229066), (10805, 186136), (17288, 116335), (17560, 114533), (21610, 93068), (23267, 86440), (43220, 46534)]