38496640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:700

約数の個数: 128

約数和(自身を含む): 113440320

約数和(自身を除く): 74943680

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, 661, 728, 832, 896, 910, 1040, 1120, 1322, 1456, 1664, 1820, 2080, 2240, 2644, 2912, 3305, 3640, 4160, 4480, 4627, 5288, 5824, 6610, 7280, 8320, 8593, 9254, 10576, 11648, 13220, 14560, 17186, 18508, 21152, 23135, 26440, 29120, 34372, 37016, 42304, 42965, 46270, 52880, 58240, 60151, 68744, 74032, 84608, 85930, 92540, 105760, 120302, 137488, 148064, 171860, 185080, 211520, 240604, 274976, 296128, 300755, 343720, 370160, 423040, 481208, 549952, 592256, 601510, 687440, 740320, 962416, 1099904, 1203020, 1374880, 1480640, 1924832, 2406040, 2749760, 2961280, 3849664, 4812080, 5499520, 7699328, 9624160, 19248320, 38496640]

約数ペア:

[(1, 38496640), (2, 19248320), (4, 9624160), (5, 7699328), (7, 5499520), (8, 4812080), (10, 3849664), (13, 2961280), (14, 2749760), (16, 2406040), (20, 1924832), (26, 1480640), (28, 1374880), (32, 1203020), (35, 1099904), (40, 962416), (52, 740320), (56, 687440), (64, 601510), (65, 592256), (70, 549952), (80, 481208), (91, 423040), (104, 370160), (112, 343720), (128, 300755), (130, 296128), (140, 274976), (160, 240604), (182, 211520), (208, 185080), (224, 171860), (260, 148064), (280, 137488), (320, 120302), (364, 105760), (416, 92540), (448, 85930), (455, 84608), (520, 74032), (560, 68744), (640, 60151), (661, 58240), (728, 52880), (832, 46270), (896, 42965), (910, 42304), (1040, 37016), (1120, 34372), (1322, 29120), (1456, 26440), (1664, 23135), (1820, 21152), (2080, 18508), (2240, 17186), (2644, 14560), (2912, 13220), (3305, 11648), (3640, 10576), (4160, 9254), (4480, 8593), (4627, 8320), (5288, 7280), (5824, 6610)]