27012020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3163}}^1$

素因数の和:3240

約数の個数: 48

約数和(自身を含む): 65912448

約数和(自身を除く): 38900428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3163, 4270, 6326, 8540, 12652, 15815, 22141, 31630, 44282, 63260, 88564, 110705, 192943, 221410, 385886, 442820, 771772, 964715, 1350601, 1929430, 2701202, 3858860, 5402404, 6753005, 13506010, 27012020]

約数ペア:

[(1, 27012020), (2, 13506010), (4, 6753005), (5, 5402404), (7, 3858860), (10, 2701202), (14, 1929430), (20, 1350601), (28, 964715), (35, 771772), (61, 442820), (70, 385886), (122, 221410), (140, 192943), (244, 110705), (305, 88564), (427, 63260), (610, 44282), (854, 31630), (1220, 22141), (1708, 15815), (2135, 12652), (3163, 8540), (4270, 6326)]