27886880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3557}}^1$

素因数の和:3586

約数の個数: 72

約数和(自身を含む): 76660668

約数和(自身を除く): 48773788

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3557, 3920, 7114, 7840, 14228, 17785, 24899, 28456, 35570, 49798, 56912, 71140, 99596, 113824, 124495, 142280, 174293, 199192, 248990, 284560, 348586, 398384, 497980, 569120, 697172, 796768, 871465, 995960, 1394344, 1742930, 1991920, 2788688, 3485860, 3983840, 5577376, 6971720, 13943440, 27886880]

約数ペア:

[(1, 27886880), (2, 13943440), (4, 6971720), (5, 5577376), (7, 3983840), (8, 3485860), (10, 2788688), (14, 1991920), (16, 1742930), (20, 1394344), (28, 995960), (32, 871465), (35, 796768), (40, 697172), (49, 569120), (56, 497980), (70, 398384), (80, 348586), (98, 284560), (112, 248990), (140, 199192), (160, 174293), (196, 142280), (224, 124495), (245, 113824), (280, 99596), (392, 71140), (490, 56912), (560, 49798), (784, 35570), (980, 28456), (1120, 24899), (1568, 17785), (1960, 14228), (3557, 7840), (3920, 7114)]