80536120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{287629}}^1$

素因数の和:287647

約数の個数: 32

約数和(自身を含む): 207093600

約数和(自身を除く): 126557480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 287629, 575258, 1150516, 1438145, 2013403, 2301032, 2876290, 4026806, 5752580, 8053612, 10067015, 11505160, 16107224, 20134030, 40268060, 80536120]

約数ペア:

[(1, 80536120), (2, 40268060), (4, 20134030), (5, 16107224), (7, 11505160), (8, 10067015), (10, 8053612), (14, 5752580), (20, 4026806), (28, 2876290), (35, 2301032), (40, 2013403), (56, 1438145), (70, 1150516), (140, 575258), (280, 287629)]