22278520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4603}}^1$

素因数の和:4636

約数の個数: 48

約数和(自身を含む): 55109880

約数和(自身を除く): 32831360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4603, 4840, 9206, 18412, 23015, 36824, 46030, 50633, 92060, 101266, 184120, 202532, 253165, 405064, 506330, 556963, 1012660, 1113926, 2025320, 2227852, 2784815, 4455704, 5569630, 11139260, 22278520]

約数ペア:

[(1, 22278520), (2, 11139260), (4, 5569630), (5, 4455704), (8, 2784815), (10, 2227852), (11, 2025320), (20, 1113926), (22, 1012660), (40, 556963), (44, 506330), (55, 405064), (88, 253165), (110, 202532), (121, 184120), (220, 101266), (242, 92060), (440, 50633), (484, 46030), (605, 36824), (968, 23015), (1210, 18412), (2420, 9206), (4603, 4840)]