40022420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2221}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 90710928

約数和(自身を除く): 50688508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 2221, 3604, 4442, 4505, 8884, 9010, 11105, 18020, 22210, 37757, 44420, 75514, 117713, 151028, 188785, 235426, 377570, 470852, 588565, 755140, 1177130, 2001121, 2354260, 4002242, 8004484, 10005605, 20011210, 40022420]

約数ペア:

[(1, 40022420), (2, 20011210), (4, 10005605), (5, 8004484), (10, 4002242), (17, 2354260), (20, 2001121), (34, 1177130), (53, 755140), (68, 588565), (85, 470852), (106, 377570), (170, 235426), (212, 188785), (265, 151028), (340, 117713), (530, 75514), (901, 44420), (1060, 37757), (1802, 22210), (2221, 18020), (3604, 11105), (4442, 9010), (4505, 8884)]