2009075440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{1669}}^1$

素因数の和:2090

約数の個数: 80

約数和(自身を含む): 4800942720

約数和(自身を除く): 2791867280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 367, 410, 656, 734, 820, 1468, 1640, 1669, 1835, 2936, 3280, 3338, 3670, 5872, 6676, 7340, 8345, 13352, 14680, 15047, 16690, 26704, 29360, 30094, 33380, 60188, 66760, 68429, 75235, 120376, 133520, 136858, 150470, 240752, 273716, 300940, 342145, 547432, 601880, 612523, 684290, 1094864, 1203760, 1225046, 1368580, 2450092, 2737160, 3062615, 4900184, 5474320, 6125230, 9800368, 12250460, 24500920, 25113443, 49001840, 50226886, 100453772, 125567215, 200907544, 251134430, 401815088, 502268860, 1004537720, 2009075440]

約数ペア:

[(1, 2009075440), (2, 1004537720), (4, 502268860), (5, 401815088), (8, 251134430), (10, 200907544), (16, 125567215), (20, 100453772), (40, 50226886), (41, 49001840), (80, 25113443), (82, 24500920), (164, 12250460), (205, 9800368), (328, 6125230), (367, 5474320), (410, 4900184), (656, 3062615), (734, 2737160), (820, 2450092), (1468, 1368580), (1640, 1225046), (1669, 1203760), (1835, 1094864), (2936, 684290), (3280, 612523), (3338, 601880), (3670, 547432), (5872, 342145), (6676, 300940), (7340, 273716), (8345, 240752), (13352, 150470), (14680, 136858), (15047, 133520), (16690, 120376), (26704, 75235), (29360, 68429), (30094, 66760), (33380, 60188)]