16574840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 39808800

約数和(自身を除く): 23233960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 193, 226, 380, 386, 452, 565, 760, 772, 904, 965, 1130, 1544, 1930, 2147, 2260, 3667, 3860, 4294, 4520, 7334, 7720, 8588, 10735, 14668, 17176, 18335, 21470, 21809, 29336, 36670, 42940, 43618, 73340, 85880, 87236, 109045, 146680, 174472, 218090, 414371, 436180, 828742, 872360, 1657484, 2071855, 3314968, 4143710, 8287420, 16574840]

約数ペア:

[(1, 16574840), (2, 8287420), (4, 4143710), (5, 3314968), (8, 2071855), (10, 1657484), (19, 872360), (20, 828742), (38, 436180), (40, 414371), (76, 218090), (95, 174472), (113, 146680), (152, 109045), (190, 87236), (193, 85880), (226, 73340), (380, 43618), (386, 42940), (452, 36670), (565, 29336), (760, 21809), (772, 21470), (904, 18335), (965, 17176), (1130, 14668), (1544, 10735), (1930, 8588), (2147, 7720), (2260, 7334), (3667, 4520), (3860, 4294)]