28785492040

素因数分解:

$2^3\times 5^1\times {\mathrm{8761}}^1\times {\mathrm{82141}}^1$

素因数の和:90913

約数の個数: 32

約数和(自身を含む): 64775538360

約数和(自身を除く): 35990046320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8761, 17522, 35044, 43805, 70088, 82141, 87610, 164282, 175220, 328564, 350440, 410705, 657128, 821410, 1642820, 3285640, 719637301, 1439274602, 2878549204, 3598186505, 5757098408, 7196373010, 14392746020, 28785492040]

約数ペア:

[(1, 28785492040), (2, 14392746020), (4, 7196373010), (5, 5757098408), (8, 3598186505), (10, 2878549204), (20, 1439274602), (40, 719637301), (8761, 3285640), (17522, 1642820), (35044, 821410), (43805, 657128), (70088, 410705), (82141, 350440), (87610, 328564), (164282, 175220)]