38939780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{673}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 89679744

約数和(自身を除く): 50739964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 673, 1052, 1315, 1346, 2630, 2692, 2893, 3365, 5260, 5786, 6730, 7403, 11572, 13460, 14465, 14806, 28930, 29612, 37015, 57860, 74030, 148060, 176999, 353998, 707996, 884995, 1769990, 1946989, 3539980, 3893978, 7787956, 9734945, 19469890, 38939780]

約数ペア:

[(1, 38939780), (2, 19469890), (4, 9734945), (5, 7787956), (10, 3893978), (11, 3539980), (20, 1946989), (22, 1769990), (44, 884995), (55, 707996), (110, 353998), (220, 176999), (263, 148060), (526, 74030), (673, 57860), (1052, 37015), (1315, 29612), (1346, 28930), (2630, 14806), (2692, 14465), (2893, 13460), (3365, 11572), (5260, 7403), (5786, 6730)]