28126020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 85857408

約数和(自身を除く): 57731388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 107, 130, 156, 195, 214, 260, 321, 337, 390, 428, 535, 642, 674, 780, 1011, 1070, 1284, 1348, 1391, 1605, 1685, 2022, 2140, 2782, 3210, 3370, 4044, 4173, 4381, 5055, 5564, 6420, 6740, 6955, 8346, 8762, 10110, 13143, 13910, 16692, 17524, 20220, 20865, 21905, 26286, 27820, 36059, 41730, 43810, 52572, 65715, 72118, 83460, 87620, 108177, 131430, 144236, 180295, 216354, 262860, 360590, 432708, 468767, 540885, 721180, 937534, 1081770, 1406301, 1875068, 2163540, 2343835, 2812602, 4687670, 5625204, 7031505, 9375340, 14063010, 28126020]

約数ペア:

[(1, 28126020), (2, 14063010), (3, 9375340), (4, 7031505), (5, 5625204), (6, 4687670), (10, 2812602), (12, 2343835), (13, 2163540), (15, 1875068), (20, 1406301), (26, 1081770), (30, 937534), (39, 721180), (52, 540885), (60, 468767), (65, 432708), (78, 360590), (107, 262860), (130, 216354), (156, 180295), (195, 144236), (214, 131430), (260, 108177), (321, 87620), (337, 83460), (390, 72118), (428, 65715), (535, 52572), (642, 43810), (674, 41730), (780, 36059), (1011, 27820), (1070, 26286), (1284, 21905), (1348, 20865), (1391, 20220), (1605, 17524), (1685, 16692), (2022, 13910), (2140, 13143), (2782, 10110), (3210, 8762), (3370, 8346), (4044, 6955), (4173, 6740), (4381, 6420), (5055, 5564)]