22278880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10711}}^1$

素因数の和:10739

約数の個数: 48

約数和(自身を含む): 56687904

約数和(自身を除く): 34409024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 10711, 21422, 42844, 53555, 85688, 107110, 139243, 171376, 214220, 278486, 342752, 428440, 556972, 696215, 856880, 1113944, 1392430, 1713760, 2227888, 2784860, 4455776, 5569720, 11139440, 22278880]

約数ペア:

[(1, 22278880), (2, 11139440), (4, 5569720), (5, 4455776), (8, 2784860), (10, 2227888), (13, 1713760), (16, 1392430), (20, 1113944), (26, 856880), (32, 696215), (40, 556972), (52, 428440), (65, 342752), (80, 278486), (104, 214220), (130, 171376), (160, 139243), (208, 107110), (260, 85688), (416, 53555), (520, 42844), (1040, 21422), (2080, 10711)]