64126840

素因数分解:

$2^3\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{1511}}^1$

素因数の和:2583

約数の個数: 32

約数和(自身を含む): 144516960

約数和(自身を除く): 80390120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1061, 1511, 2122, 3022, 4244, 5305, 6044, 7555, 8488, 10610, 12088, 15110, 21220, 30220, 42440, 60440, 1603171, 3206342, 6412684, 8015855, 12825368, 16031710, 32063420, 64126840]

約数ペア:

[(1, 64126840), (2, 32063420), (4, 16031710), (5, 12825368), (8, 8015855), (10, 6412684), (20, 3206342), (40, 1603171), (1061, 60440), (1511, 42440), (2122, 30220), (3022, 21220), (4244, 15110), (5305, 12088), (6044, 10610), (7555, 8488)]