4220840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8117}}^1$

素因数の和:8141

約数の個数: 32

約数和(自身を含む): 10228680

約数和(自身を除く): 6007840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8117, 16234, 32468, 40585, 64936, 81170, 105521, 162340, 211042, 324680, 422084, 527605, 844168, 1055210, 2110420, 4220840]

約数ペア:

[(1, 4220840), (2, 2110420), (4, 1055210), (5, 844168), (8, 527605), (10, 422084), (13, 324680), (20, 211042), (26, 162340), (40, 105521), (52, 81170), (65, 64936), (104, 40585), (130, 32468), (260, 16234), (520, 8117)]