28865540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{733}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 66588480

約数和(自身を除く): 37722940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 733, 895, 1466, 1790, 1969, 2932, 3580, 3665, 3938, 7330, 7876, 8063, 9845, 14660, 16126, 19690, 32252, 39380, 40315, 80630, 131207, 161260, 262414, 524828, 656035, 1312070, 1443277, 2624140, 2886554, 5773108, 7216385, 14432770, 28865540]

約数ペア:

[(1, 28865540), (2, 14432770), (4, 7216385), (5, 5773108), (10, 2886554), (11, 2624140), (20, 1443277), (22, 1312070), (44, 656035), (55, 524828), (110, 262414), (179, 161260), (220, 131207), (358, 80630), (716, 40315), (733, 39380), (895, 32252), (1466, 19690), (1790, 16126), (1969, 14660), (2932, 9845), (3580, 8063), (3665, 7876), (3938, 7330)]