40640320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{18143}}^1$

素因数の和:18167

約数の個数: 56

約数和(自身を含む): 110605824

約数和(自身を除く): 69965504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 18143, 36286, 72572, 90715, 127001, 145144, 181430, 254002, 290288, 362860, 508004, 580576, 635005, 725720, 1016008, 1161152, 1270010, 1451440, 2032016, 2540020, 2902880, 4064032, 5080040, 5805760, 8128064, 10160080, 20320160, 40640320]

約数ペア:

[(1, 40640320), (2, 20320160), (4, 10160080), (5, 8128064), (7, 5805760), (8, 5080040), (10, 4064032), (14, 2902880), (16, 2540020), (20, 2032016), (28, 1451440), (32, 1270010), (35, 1161152), (40, 1016008), (56, 725720), (64, 635005), (70, 580576), (80, 508004), (112, 362860), (140, 290288), (160, 254002), (224, 181430), (280, 145144), (320, 127001), (448, 90715), (560, 72572), (1120, 36286), (2240, 18143)]