27768020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{823}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 67001088

約数和(自身を除く): 39233068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 823, 964, 1205, 1646, 1687, 2410, 3292, 3374, 4115, 4820, 5761, 6748, 8230, 8435, 11522, 16460, 16870, 23044, 28805, 33740, 57610, 115220, 198343, 396686, 793372, 991715, 1388401, 1983430, 2776802, 3966860, 5553604, 6942005, 13884010, 27768020]

約数ペア:

[(1, 27768020), (2, 13884010), (4, 6942005), (5, 5553604), (7, 3966860), (10, 2776802), (14, 1983430), (20, 1388401), (28, 991715), (35, 793372), (70, 396686), (140, 198343), (241, 115220), (482, 57610), (823, 33740), (964, 28805), (1205, 23044), (1646, 16870), (1687, 16460), (2410, 11522), (3292, 8435), (3374, 8230), (4115, 6748), (4820, 5761)]