27191800

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 64058400

約数和(自身を除く): 36866600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1721, 1975, 3160, 3442, 3950, 6884, 7900, 8605, 13768, 15800, 17210, 34420, 43025, 68840, 86050, 135959, 172100, 271918, 344200, 543836, 679795, 1087672, 1359590, 2719180, 3398975, 5438360, 6797950, 13595900, 27191800]

約数ペア:

[(1, 27191800), (2, 13595900), (4, 6797950), (5, 5438360), (8, 3398975), (10, 2719180), (20, 1359590), (25, 1087672), (40, 679795), (50, 543836), (79, 344200), (100, 271918), (158, 172100), (200, 135959), (316, 86050), (395, 68840), (632, 43025), (790, 34420), (1580, 17210), (1721, 15800), (1975, 13768), (3160, 8605), (3442, 7900), (3950, 6884)]