12438140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4349}}^1$

素因数の和:4382

約数の個数: 48

約数和(自身を含む): 30693600

約数和(自身を除く): 18255460

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 4349, 8698, 17396, 21745, 43490, 47839, 56537, 86980, 95678, 113074, 191356, 226148, 239195, 282685, 478390, 565370, 621907, 956780, 1130740, 1243814, 2487628, 3109535, 6219070, 12438140]

約数ペア:

[(1, 12438140), (2, 6219070), (4, 3109535), (5, 2487628), (10, 1243814), (11, 1130740), (13, 956780), (20, 621907), (22, 565370), (26, 478390), (44, 282685), (52, 239195), (55, 226148), (65, 191356), (110, 113074), (130, 95678), (143, 86980), (220, 56537), (260, 47839), (286, 43490), (572, 21745), (715, 17396), (1430, 8698), (2860, 4349)]