12801140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1928

約数の個数: 48

約数和(自身を含む): 30288384

約数和(自身を除く): 17487244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 1877, 3410, 3754, 6820, 7508, 9385, 18770, 20647, 37540, 41294, 58187, 82588, 103235, 116374, 206470, 232748, 290935, 412940, 581870, 640057, 1163740, 1280114, 2560228, 3200285, 6400570, 12801140]

約数ペア:

[(1, 12801140), (2, 6400570), (4, 3200285), (5, 2560228), (10, 1280114), (11, 1163740), (20, 640057), (22, 581870), (31, 412940), (44, 290935), (55, 232748), (62, 206470), (110, 116374), (124, 103235), (155, 82588), (220, 58187), (310, 41294), (341, 37540), (620, 20647), (682, 18770), (1364, 9385), (1705, 7508), (1877, 6820), (3410, 3754)]