16960840

素因数分解:

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

素因数の和:243

約数の個数: 64

約数和(自身を含む): 41554800

約数和(自身を除く): 24593960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 193, 260, 338, 386, 520, 676, 772, 845, 965, 1352, 1544, 1690, 1930, 2197, 2509, 3380, 3860, 4394, 5018, 6760, 7720, 8788, 10036, 10985, 12545, 17576, 20072, 21970, 25090, 32617, 43940, 50180, 65234, 87880, 100360, 130468, 163085, 260936, 326170, 424021, 652340, 848042, 1304680, 1696084, 2120105, 3392168, 4240210, 8480420, 16960840]

約数ペア:

[(1, 16960840), (2, 8480420), (4, 4240210), (5, 3392168), (8, 2120105), (10, 1696084), (13, 1304680), (20, 848042), (26, 652340), (40, 424021), (52, 326170), (65, 260936), (104, 163085), (130, 130468), (169, 100360), (193, 87880), (260, 65234), (338, 50180), (386, 43940), (520, 32617), (676, 25090), (772, 21970), (845, 20072), (965, 17576), (1352, 12545), (1544, 10985), (1690, 10036), (1930, 8788), (2197, 7720), (2509, 6760), (3380, 5018), (3860, 4394)]