39631280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{719}}^1$

素因数の和:798

約数の個数: 80

約数和(自身を含む): 101243520

約数和(自身を除く): 61612240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 719, 848, 1040, 1060, 1378, 1438, 2120, 2756, 2876, 3445, 3595, 4240, 5512, 5752, 6890, 7190, 9347, 11024, 11504, 13780, 14380, 18694, 27560, 28760, 37388, 38107, 46735, 55120, 57520, 74776, 76214, 93470, 149552, 152428, 186940, 190535, 304856, 373880, 381070, 495391, 609712, 747760, 762140, 990782, 1524280, 1981564, 2476955, 3048560, 3963128, 4953910, 7926256, 9907820, 19815640, 39631280]

約数ペア:

[(1, 39631280), (2, 19815640), (4, 9907820), (5, 7926256), (8, 4953910), (10, 3963128), (13, 3048560), (16, 2476955), (20, 1981564), (26, 1524280), (40, 990782), (52, 762140), (53, 747760), (65, 609712), (80, 495391), (104, 381070), (106, 373880), (130, 304856), (208, 190535), (212, 186940), (260, 152428), (265, 149552), (424, 93470), (520, 76214), (530, 74776), (689, 57520), (719, 55120), (848, 46735), (1040, 38107), (1060, 37388), (1378, 28760), (1438, 27560), (2120, 18694), (2756, 14380), (2876, 13780), (3445, 11504), (3595, 11024), (4240, 9347), (5512, 7190), (5752, 6890)]