28200560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18553}}^1$

素因数の和:18585

約数の個数: 40

約数和(自身を含む): 69020880

約数和(自身を除く): 40820320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18553, 37106, 74212, 92765, 148424, 185530, 296848, 352507, 371060, 705014, 742120, 1410028, 1484240, 1762535, 2820056, 3525070, 5640112, 7050140, 14100280, 28200560]

約数ペア:

[(1, 28200560), (2, 14100280), (4, 7050140), (5, 5640112), (8, 3525070), (10, 2820056), (16, 1762535), (19, 1484240), (20, 1410028), (38, 742120), (40, 705014), (76, 371060), (80, 352507), (95, 296848), (152, 185530), (190, 148424), (304, 92765), (380, 74212), (760, 37106), (1520, 18553)]