8249662720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{495773}}^1$

素因数の和:495807

約数の個数: 72

約数和(自身を含む): 21280603176

約数和(自身を除く): 13030940456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 495773, 991546, 1983092, 2478865, 3966184, 4957730, 6445049, 7932368, 9915460, 12890098, 15864736, 19830920, 25780196, 31729472, 32225245, 39661840, 51560392, 63458944, 64450490, 79323680, 103120784, 126917888, 128900980, 158647360, 206241568, 257801960, 317294720, 412483136, 515603920, 634589440, 824966272, 1031207840, 1649932544, 2062415680, 4124831360, 8249662720]

約数ペア:

[(1, 8249662720), (2, 4124831360), (4, 2062415680), (5, 1649932544), (8, 1031207840), (10, 824966272), (13, 634589440), (16, 515603920), (20, 412483136), (26, 317294720), (32, 257801960), (40, 206241568), (52, 158647360), (64, 128900980), (65, 126917888), (80, 103120784), (104, 79323680), (128, 64450490), (130, 63458944), (160, 51560392), (208, 39661840), (256, 32225245), (260, 31729472), (320, 25780196), (416, 19830920), (520, 15864736), (640, 12890098), (832, 9915460), (1040, 7932368), (1280, 6445049), (1664, 4957730), (2080, 3966184), (3328, 2478865), (4160, 1983092), (8320, 991546), (16640, 495773)]