22212980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 26219404

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 263, 410, 412, 515, 526, 820, 1030, 1052, 1315, 2060, 2630, 4223, 5260, 8446, 10783, 16892, 21115, 21566, 27089, 42230, 43132, 53915, 54178, 84460, 107830, 108356, 135445, 215660, 270890, 541780, 1110649, 2221298, 4442596, 5553245, 11106490, 22212980]

約数ペア:

[(1, 22212980), (2, 11106490), (4, 5553245), (5, 4442596), (10, 2221298), (20, 1110649), (41, 541780), (82, 270890), (103, 215660), (164, 135445), (205, 108356), (206, 107830), (263, 84460), (410, 54178), (412, 53915), (515, 43132), (526, 42230), (820, 27089), (1030, 21566), (1052, 21115), (1315, 16892), (2060, 10783), (2630, 8446), (4223, 5260)]