7219420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27767}}^1$

素因数の和:27789

約数の個数: 24

約数和(自身を含む): 16327584

約数和(自身を除く): 9108164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 27767, 55534, 111068, 138835, 277670, 360971, 555340, 721942, 1443884, 1804855, 3609710, 7219420]

約数ペア:

[(1, 7219420), (2, 3609710), (4, 1804855), (5, 1443884), (10, 721942), (13, 555340), (20, 360971), (26, 277670), (52, 138835), (65, 111068), (130, 55534), (260, 27767)]