39884780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{857}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 90810720

約数和(自身を除く): 50925940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 716, 857, 895, 1714, 1790, 2327, 3428, 3580, 4285, 4654, 8570, 9308, 11141, 11635, 17140, 22282, 23270, 44564, 46540, 55705, 111410, 153403, 222820, 306806, 613612, 767015, 1534030, 1994239, 3068060, 3988478, 7976956, 9971195, 19942390, 39884780]

約数ペア:

[(1, 39884780), (2, 19942390), (4, 9971195), (5, 7976956), (10, 3988478), (13, 3068060), (20, 1994239), (26, 1534030), (52, 767015), (65, 613612), (130, 306806), (179, 222820), (260, 153403), (358, 111410), (716, 55705), (857, 46540), (895, 44564), (1714, 23270), (1790, 22282), (2327, 17140), (3428, 11635), (3580, 11141), (4285, 9308), (4654, 8570)]