51658880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:926

約数の個数: 128

約数和(自身を含む): 152167680

約数和(自身を除く): 100508800

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, 520, 560, 640, 728, 832, 887, 896, 910, 1040, 1120, 1456, 1664, 1774, 1820, 2080, 2240, 2912, 3548, 3640, 4160, 4435, 4480, 5824, 6209, 7096, 7280, 8320, 8870, 11531, 11648, 12418, 14192, 14560, 17740, 23062, 24836, 28384, 29120, 31045, 35480, 46124, 49672, 56768, 57655, 58240, 62090, 70960, 80717, 92248, 99344, 113536, 115310, 124180, 141920, 161434, 184496, 198688, 230620, 248360, 283840, 322868, 368992, 397376, 403585, 461240, 496720, 567680, 645736, 737984, 794752, 807170, 922480, 993440, 1291472, 1475968, 1614340, 1844960, 1986880, 2582944, 3228680, 3689920, 3973760, 5165888, 6457360, 7379840, 10331776, 12914720, 25829440, 51658880]

約数ペア:

[(1, 51658880), (2, 25829440), (4, 12914720), (5, 10331776), (7, 7379840), (8, 6457360), (10, 5165888), (13, 3973760), (14, 3689920), (16, 3228680), (20, 2582944), (26, 1986880), (28, 1844960), (32, 1614340), (35, 1475968), (40, 1291472), (52, 993440), (56, 922480), (64, 807170), (65, 794752), (70, 737984), (80, 645736), (91, 567680), (104, 496720), (112, 461240), (128, 403585), (130, 397376), (140, 368992), (160, 322868), (182, 283840), (208, 248360), (224, 230620), (260, 198688), (280, 184496), (320, 161434), (364, 141920), (416, 124180), (448, 115310), (455, 113536), (520, 99344), (560, 92248), (640, 80717), (728, 70960), (832, 62090), (887, 58240), (896, 57655), (910, 56768), (1040, 49672), (1120, 46124), (1456, 35480), (1664, 31045), (1774, 29120), (1820, 28384), (2080, 24836), (2240, 23062), (2912, 17740), (3548, 14560), (3640, 14192), (4160, 12418), (4435, 11648), (4480, 11531), (5824, 8870), (6209, 8320), (7096, 7280)]