127770640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{93949}}^1$

素因数の和:93979

約数の個数: 40

約数和(自身を含む): 314544600

約数和(自身を除く): 186773960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 93949, 187898, 375796, 469745, 751592, 939490, 1503184, 1597133, 1878980, 3194266, 3757960, 6388532, 7515920, 7985665, 12777064, 15971330, 25554128, 31942660, 63885320, 127770640]

約数ペア:

[(1, 127770640), (2, 63885320), (4, 31942660), (5, 25554128), (8, 15971330), (10, 12777064), (16, 7985665), (17, 7515920), (20, 6388532), (34, 3757960), (40, 3194266), (68, 1878980), (80, 1597133), (85, 1503184), (136, 939490), (170, 751592), (272, 469745), (340, 375796), (680, 187898), (1360, 93949)]