38930840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{443}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 95104800

約数和(自身を除く): 56173960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 443, 520, 676, 845, 886, 1352, 1690, 1772, 2197, 2215, 3380, 3544, 4394, 4430, 5759, 6760, 8788, 8860, 10985, 11518, 17576, 17720, 21970, 23036, 28795, 43940, 46072, 57590, 74867, 87880, 115180, 149734, 230360, 299468, 374335, 598936, 748670, 973271, 1497340, 1946542, 2994680, 3893084, 4866355, 7786168, 9732710, 19465420, 38930840]

約数ペア:

[(1, 38930840), (2, 19465420), (4, 9732710), (5, 7786168), (8, 4866355), (10, 3893084), (13, 2994680), (20, 1946542), (26, 1497340), (40, 973271), (52, 748670), (65, 598936), (104, 374335), (130, 299468), (169, 230360), (260, 149734), (338, 115180), (443, 87880), (520, 74867), (676, 57590), (845, 46072), (886, 43940), (1352, 28795), (1690, 23036), (1772, 21970), (2197, 17720), (2215, 17576), (3380, 11518), (3544, 10985), (4394, 8860), (4430, 8788), (5759, 6760)]