130345840

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{18307}}^1$

素因数の和:18409

約数の個数: 40

約数和(自身を含む): 306475920

約数和(自身を除く): 176130080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 18307, 36614, 73228, 91535, 146456, 183070, 292912, 366140, 732280, 1464560, 1629323, 3258646, 6517292, 8146615, 13034584, 16293230, 26069168, 32586460, 65172920, 130345840]

約数ペア:

[(1, 130345840), (2, 65172920), (4, 32586460), (5, 26069168), (8, 16293230), (10, 13034584), (16, 8146615), (20, 6517292), (40, 3258646), (80, 1629323), (89, 1464560), (178, 732280), (356, 366140), (445, 292912), (712, 183070), (890, 146456), (1424, 91535), (1780, 73228), (3560, 36614), (7120, 18307)]