55385990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1619}}^1$

素因数の和:1948

約数の個数: 32

約数和(自身を含む): 109175040

約数和(自身を除く): 53789050

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 311, 622, 1555, 1619, 3110, 3238, 3421, 6842, 8095, 16190, 17105, 17809, 34210, 35618, 89045, 178090, 503509, 1007018, 2517545, 5035090, 5538599, 11077198, 27692995, 55385990]

約数ペア:

[(1, 55385990), (2, 27692995), (5, 11077198), (10, 5538599), (11, 5035090), (22, 2517545), (55, 1007018), (110, 503509), (311, 178090), (622, 89045), (1555, 35618), (1619, 34210), (3110, 17809), (3238, 17105), (3421, 16190), (6842, 8095)]