28453100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 68172720

約数和(自身を除く): 39719620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 509, 559, 650, 860, 1018, 1075, 1118, 1300, 2036, 2150, 2236, 2545, 2795, 4300, 5090, 5590, 6617, 10180, 11180, 12725, 13234, 13975, 21887, 25450, 26468, 27950, 33085, 43774, 50900, 55900, 66170, 87548, 109435, 132340, 165425, 218870, 284531, 330850, 437740, 547175, 569062, 661700, 1094350, 1138124, 1422655, 2188700, 2845310, 5690620, 7113275, 14226550, 28453100]

約数ペア:

[(1, 28453100), (2, 14226550), (4, 7113275), (5, 5690620), (10, 2845310), (13, 2188700), (20, 1422655), (25, 1138124), (26, 1094350), (43, 661700), (50, 569062), (52, 547175), (65, 437740), (86, 330850), (100, 284531), (130, 218870), (172, 165425), (215, 132340), (260, 109435), (325, 87548), (430, 66170), (509, 55900), (559, 50900), (650, 43774), (860, 33085), (1018, 27950), (1075, 26468), (1118, 25450), (1300, 21887), (2036, 13975), (2150, 13234), (2236, 12725), (2545, 11180), (2795, 10180), (4300, 6617), (5090, 5590)]