2099840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 5342760

約数和(自身を除く): 3242920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 193, 272, 320, 340, 386, 544, 640, 680, 772, 965, 1088, 1360, 1544, 1930, 2176, 2720, 3088, 3281, 3860, 5440, 6176, 6562, 7720, 10880, 12352, 13124, 15440, 16405, 24704, 26248, 30880, 32810, 52496, 61760, 65620, 104992, 123520, 131240, 209984, 262480, 419968, 524960, 1049920, 2099840]

約数ペア:

[(1, 2099840), (2, 1049920), (4, 524960), (5, 419968), (8, 262480), (10, 209984), (16, 131240), (17, 123520), (20, 104992), (32, 65620), (34, 61760), (40, 52496), (64, 32810), (68, 30880), (80, 26248), (85, 24704), (128, 16405), (136, 15440), (160, 13124), (170, 12352), (193, 10880), (272, 7720), (320, 6562), (340, 6176), (386, 5440), (544, 3860), (640, 3281), (680, 3088), (772, 2720), (965, 2176), (1088, 1930), (1360, 1544)]