16609840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15971}}^1$

素因数の和:15997

約数の個数: 40

約数和(自身を含む): 41591088

約数和(自身を除く): 24981248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 15971, 31942, 63884, 79855, 127768, 159710, 207623, 255536, 319420, 415246, 638840, 830492, 1038115, 1277680, 1660984, 2076230, 3321968, 4152460, 8304920, 16609840]

約数ペア:

[(1, 16609840), (2, 8304920), (4, 4152460), (5, 3321968), (8, 2076230), (10, 1660984), (13, 1277680), (16, 1038115), (20, 830492), (26, 638840), (40, 415246), (52, 319420), (65, 255536), (80, 207623), (104, 159710), (130, 127768), (208, 79855), (260, 63884), (520, 31942), (1040, 15971)]