8480420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{193}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 19392240

約数和(自身を除く): 10911820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 193, 260, 338, 386, 676, 772, 845, 965, 1690, 1930, 2197, 2509, 3380, 3860, 4394, 5018, 8788, 10036, 10985, 12545, 21970, 25090, 32617, 43940, 50180, 65234, 130468, 163085, 326170, 424021, 652340, 848042, 1696084, 2120105, 4240210, 8480420]

約数ペア:

[(1, 8480420), (2, 4240210), (4, 2120105), (5, 1696084), (10, 848042), (13, 652340), (20, 424021), (26, 326170), (52, 163085), (65, 130468), (130, 65234), (169, 50180), (193, 43940), (260, 32617), (338, 25090), (386, 21970), (676, 12545), (772, 10985), (845, 10036), (965, 8788), (1690, 5018), (1930, 4394), (2197, 3860), (2509, 3380)]