43640080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 112010688

約数和(自身を除く): 68370608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 491, 505, 808, 880, 982, 1010, 1111, 1616, 1964, 2020, 2222, 2455, 3928, 4040, 4444, 4910, 5401, 5555, 7856, 8080, 8888, 9820, 10802, 11110, 17776, 19640, 21604, 22220, 27005, 39280, 43208, 44440, 49591, 54010, 86416, 88880, 99182, 108020, 198364, 216040, 247955, 396728, 432080, 495910, 545501, 793456, 991820, 1091002, 1983640, 2182004, 2727505, 3967280, 4364008, 5455010, 8728016, 10910020, 21820040, 43640080]

約数ペア:

[(1, 43640080), (2, 21820040), (4, 10910020), (5, 8728016), (8, 5455010), (10, 4364008), (11, 3967280), (16, 2727505), (20, 2182004), (22, 1983640), (40, 1091002), (44, 991820), (55, 793456), (80, 545501), (88, 495910), (101, 432080), (110, 396728), (176, 247955), (202, 216040), (220, 198364), (404, 108020), (440, 99182), (491, 88880), (505, 86416), (808, 54010), (880, 49591), (982, 44440), (1010, 43208), (1111, 39280), (1616, 27005), (1964, 22220), (2020, 21604), (2222, 19640), (2455, 17776), (3928, 11110), (4040, 10802), (4444, 9820), (4910, 8888), (5401, 8080), (5555, 7856)]