27952820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8681}}^1$

素因数の和:8720

約数の個数: 48

約数和(自身を含む): 70011648

約数和(自身を除く): 42058828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8681, 17362, 34724, 43405, 60767, 86810, 121534, 173620, 199663, 243068, 303835, 399326, 607670, 798652, 998315, 1215340, 1397641, 1996630, 2795282, 3993260, 5590564, 6988205, 13976410, 27952820]

約数ペア:

[(1, 27952820), (2, 13976410), (4, 6988205), (5, 5590564), (7, 3993260), (10, 2795282), (14, 1996630), (20, 1397641), (23, 1215340), (28, 998315), (35, 798652), (46, 607670), (70, 399326), (92, 303835), (115, 243068), (140, 199663), (161, 173620), (230, 121534), (322, 86810), (460, 60767), (644, 43405), (805, 34724), (1610, 17362), (3220, 8681)]