11908040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 28168560

約数和(自身を除く): 16260520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 137, 164, 205, 212, 265, 274, 328, 410, 424, 530, 548, 685, 820, 1060, 1096, 1370, 1640, 2120, 2173, 2740, 4346, 5480, 5617, 7261, 8692, 10865, 11234, 14522, 17384, 21730, 22468, 28085, 29044, 36305, 43460, 44936, 56170, 58088, 72610, 86920, 112340, 145220, 224680, 290440, 297701, 595402, 1190804, 1488505, 2381608, 2977010, 5954020, 11908040]

約数ペア:

[(1, 11908040), (2, 5954020), (4, 2977010), (5, 2381608), (8, 1488505), (10, 1190804), (20, 595402), (40, 297701), (41, 290440), (53, 224680), (82, 145220), (106, 112340), (137, 86920), (164, 72610), (205, 58088), (212, 56170), (265, 44936), (274, 43460), (328, 36305), (410, 29044), (424, 28085), (530, 22468), (548, 21730), (685, 17384), (820, 14522), (1060, 11234), (1096, 10865), (1370, 8692), (1640, 7261), (2120, 5617), (2173, 5480), (2740, 4346)]