28097680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27017}}^1$

素因数の和:27043

約数の個数: 40

約数和(自身を含む): 70354872

約数和(自身を除く): 42257192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27017, 54034, 108068, 135085, 216136, 270170, 351221, 432272, 540340, 702442, 1080680, 1404884, 1756105, 2161360, 2809768, 3512210, 5619536, 7024420, 14048840, 28097680]

約数ペア:

[(1, 28097680), (2, 14048840), (4, 7024420), (5, 5619536), (8, 3512210), (10, 2809768), (13, 2161360), (16, 1756105), (20, 1404884), (26, 1080680), (40, 702442), (52, 540340), (65, 432272), (80, 351221), (104, 270170), (130, 216136), (208, 135085), (260, 108068), (520, 54034), (1040, 27017)]