26848640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:500

約数の個数: 128

約数和(自身を含む): 79168320

約数和(自身を除く): 52319680

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, 260, 280, 320, 364, 416, 448, 455, 461, 520, 560, 640, 728, 832, 896, 910, 922, 1040, 1120, 1456, 1664, 1820, 1844, 2080, 2240, 2305, 2912, 3227, 3640, 3688, 4160, 4480, 4610, 5824, 5993, 6454, 7280, 7376, 8320, 9220, 11648, 11986, 12908, 14560, 14752, 16135, 18440, 23972, 25816, 29120, 29504, 29965, 32270, 36880, 41951, 47944, 51632, 58240, 59008, 59930, 64540, 73760, 83902, 95888, 103264, 119860, 129080, 147520, 167804, 191776, 206528, 209755, 239720, 258160, 295040, 335608, 383552, 413056, 419510, 479440, 516320, 671216, 767104, 839020, 958880, 1032640, 1342432, 1678040, 1917760, 2065280, 2684864, 3356080, 3835520, 5369728, 6712160, 13424320, 26848640]

約数ペア:

[(1, 26848640), (2, 13424320), (4, 6712160), (5, 5369728), (7, 3835520), (8, 3356080), (10, 2684864), (13, 2065280), (14, 1917760), (16, 1678040), (20, 1342432), (26, 1032640), (28, 958880), (32, 839020), (35, 767104), (40, 671216), (52, 516320), (56, 479440), (64, 419510), (65, 413056), (70, 383552), (80, 335608), (91, 295040), (104, 258160), (112, 239720), (128, 209755), (130, 206528), (140, 191776), (160, 167804), (182, 147520), (208, 129080), (224, 119860), (260, 103264), (280, 95888), (320, 83902), (364, 73760), (416, 64540), (448, 59930), (455, 59008), (461, 58240), (520, 51632), (560, 47944), (640, 41951), (728, 36880), (832, 32270), (896, 29965), (910, 29504), (922, 29120), (1040, 25816), (1120, 23972), (1456, 18440), (1664, 16135), (1820, 14752), (1844, 14560), (2080, 12908), (2240, 11986), (2305, 11648), (2912, 9220), (3227, 8320), (3640, 7376), (3688, 7280), (4160, 6454), (4480, 5993), (4610, 5824)]