13373500520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{210143}}^1$

素因数の和:210234

約数の個数: 64

約数和(自身を含む): 31622469120

約数和(自身を除く): 18248968600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 3182, 6364, 7955, 12728, 15910, 31820, 63640, 210143, 420286, 840572, 1050715, 1681144, 2101430, 4202860, 7775291, 8405720, 9036149, 15550582, 18072298, 31101164, 36144596, 38876455, 45180745, 62202328, 72289192, 77752910, 90361490, 155505820, 180722980, 311011640, 334337513, 361445960, 668675026, 1337350052, 1671687565, 2674700104, 3343375130, 6686750260, 13373500520]

約数ペア:

[(1, 13373500520), (2, 6686750260), (4, 3343375130), (5, 2674700104), (8, 1671687565), (10, 1337350052), (20, 668675026), (37, 361445960), (40, 334337513), (43, 311011640), (74, 180722980), (86, 155505820), (148, 90361490), (172, 77752910), (185, 72289192), (215, 62202328), (296, 45180745), (344, 38876455), (370, 36144596), (430, 31101164), (740, 18072298), (860, 15550582), (1480, 9036149), (1591, 8405720), (1720, 7775291), (3182, 4202860), (6364, 2101430), (7955, 1681144), (12728, 1050715), (15910, 840572), (31820, 420286), (63640, 210143)]