28215440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32063}}^1$

素因数の和:32087

約数の個数: 40

約数和(自身を含む): 71566848

約数和(自身を除く): 43351408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32063, 64126, 128252, 160315, 256504, 320630, 352693, 513008, 641260, 705386, 1282520, 1410772, 1763465, 2565040, 2821544, 3526930, 5643088, 7053860, 14107720, 28215440]

約数ペア:

[(1, 28215440), (2, 14107720), (4, 7053860), (5, 5643088), (8, 3526930), (10, 2821544), (11, 2565040), (16, 1763465), (20, 1410772), (22, 1282520), (40, 705386), (44, 641260), (55, 513008), (80, 352693), (88, 320630), (110, 256504), (176, 160315), (220, 128252), (440, 64126), (880, 32063)]