2040339990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127601}}^1$

素因数の和:127665

約数の個数: 64

約数和(自身を含む): 5402158272

約数和(自身を除く): 3361818282

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1230, 1599, 2665, 3198, 5330, 7995, 15990, 127601, 255202, 382803, 638005, 765606, 1276010, 1658813, 1914015, 3317626, 3828030, 4976439, 5231641, 8294065, 9952878, 10463282, 15694923, 16588130, 24882195, 26158205, 31389846, 49764390, 52316410, 68011333, 78474615, 136022666, 156949230, 204033999, 340056665, 408067998, 680113330, 1020169995, 2040339990]

約数ペア:

[(1, 2040339990), (2, 1020169995), (3, 680113330), (5, 408067998), (6, 340056665), (10, 204033999), (13, 156949230), (15, 136022666), (26, 78474615), (30, 68011333), (39, 52316410), (41, 49764390), (65, 31389846), (78, 26158205), (82, 24882195), (123, 16588130), (130, 15694923), (195, 10463282), (205, 9952878), (246, 8294065), (390, 5231641), (410, 4976439), (533, 3828030), (615, 3317626), (1066, 1914015), (1230, 1658813), (1599, 1276010), (2665, 765606), (3198, 638005), (5330, 382803), (7995, 255202), (15990, 127601)]