26440960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 78293376

約数和(自身を除く): 51852416

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 227, 256, 260, 280, 320, 364, 416, 448, 454, 455, 520, 560, 640, 728, 832, 896, 908, 910, 1040, 1120, 1135, 1280, 1456, 1589, 1664, 1792, 1816, 1820, 2080, 2240, 2270, 2912, 2951, 3178, 3328, 3632, 3640, 4160, 4480, 4540, 5824, 5902, 6356, 7264, 7280, 7945, 8320, 8960, 9080, 11648, 11804, 12712, 14528, 14560, 14755, 15890, 16640, 18160, 20657, 23296, 23608, 25424, 29056, 29120, 29510, 31780, 36320, 41314, 47216, 50848, 58112, 58240, 59020, 63560, 72640, 82628, 94432, 101696, 103285, 116480, 118040, 127120, 145280, 165256, 188864, 203392, 206570, 236080, 254240, 290560, 330512, 377728, 406784, 413140, 472160, 508480, 661024, 755456, 826280, 944320, 1016960, 1322048, 1652560, 1888640, 2033920, 2644096, 3305120, 3777280, 5288192, 6610240, 13220480, 26440960]

約数ペア:

[(1, 26440960), (2, 13220480), (4, 6610240), (5, 5288192), (7, 3777280), (8, 3305120), (10, 2644096), (13, 2033920), (14, 1888640), (16, 1652560), (20, 1322048), (26, 1016960), (28, 944320), (32, 826280), (35, 755456), (40, 661024), (52, 508480), (56, 472160), (64, 413140), (65, 406784), (70, 377728), (80, 330512), (91, 290560), (104, 254240), (112, 236080), (128, 206570), (130, 203392), (140, 188864), (160, 165256), (182, 145280), (208, 127120), (224, 118040), (227, 116480), (256, 103285), (260, 101696), (280, 94432), (320, 82628), (364, 72640), (416, 63560), (448, 59020), (454, 58240), (455, 58112), (520, 50848), (560, 47216), (640, 41314), (728, 36320), (832, 31780), (896, 29510), (908, 29120), (910, 29056), (1040, 25424), (1120, 23608), (1135, 23296), (1280, 20657), (1456, 18160), (1589, 16640), (1664, 15890), (1792, 14755), (1816, 14560), (1820, 14528), (2080, 12712), (2240, 11804), (2270, 11648), (2912, 9080), (2951, 8960), (3178, 8320), (3328, 7945), (3632, 7280), (3640, 7264), (4160, 6356), (4480, 5902), (4540, 5824)]