7887181966420

素因数分解:

$2^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{3253}}^1\times {\mathrm{77167}}^1$

素因数の和:82000

約数の個数: 48

約数和(自身を含む): 16578934864128

約数和(自身を除く): 8691752897708

約数列:

[1, 2, 4, 5, 10, 20, 1571, 3142, 3253, 6284, 6506, 7855, 13012, 15710, 16265, 31420, 32530, 65060, 77167, 154334, 308668, 385835, 771670, 1543340, 5110463, 10220926, 20441852, 25552315, 51104630, 102209260, 121229357, 242458714, 251024251, 484917428, 502048502, 606146785, 1004097004, 1212293570, 1255121255, 2424587140, 2510242510, 5020485020, 394359098321, 788718196642, 1577436393284, 1971795491605, 3943590983210, 7887181966420]

約数ペア:

[(1, 7887181966420), (2, 3943590983210), (4, 1971795491605), (5, 1577436393284), (10, 788718196642), (20, 394359098321), (1571, 5020485020), (3142, 2510242510), (3253, 2424587140), (6284, 1255121255), (6506, 1212293570), (7855, 1004097004), (13012, 606146785), (15710, 502048502), (16265, 484917428), (31420, 251024251), (32530, 242458714), (65060, 121229357), (77167, 102209260), (154334, 51104630), (308668, 25552315), (385835, 20441852), (771670, 10220926), (1543340, 5110463)]