8572720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8243}}^1$

素因数の和:8269

約数の個数: 40

約数和(自身を含む): 21467376

約数和(自身を除く): 12894656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8243, 16486, 32972, 41215, 65944, 82430, 107159, 131888, 164860, 214318, 329720, 428636, 535795, 659440, 857272, 1071590, 1714544, 2143180, 4286360, 8572720]

約数ペア:

[(1, 8572720), (2, 4286360), (4, 2143180), (5, 1714544), (8, 1071590), (10, 857272), (13, 659440), (16, 535795), (20, 428636), (26, 329720), (40, 214318), (52, 164860), (65, 131888), (80, 107159), (104, 82430), (130, 65944), (208, 41215), (260, 32972), (520, 16486), (1040, 8243)]