64085320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 156219840

約数和(自身を除く): 92134520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 251, 260, 491, 502, 520, 982, 1004, 1255, 1964, 2008, 2455, 2510, 3263, 3928, 4910, 5020, 6383, 6526, 9820, 10040, 12766, 13052, 16315, 19640, 25532, 26104, 31915, 32630, 51064, 63830, 65260, 123241, 127660, 130520, 246482, 255320, 492964, 616205, 985928, 1232410, 1602133, 2464820, 3204266, 4929640, 6408532, 8010665, 12817064, 16021330, 32042660, 64085320]

約数ペア:

[(1, 64085320), (2, 32042660), (4, 16021330), (5, 12817064), (8, 8010665), (10, 6408532), (13, 4929640), (20, 3204266), (26, 2464820), (40, 1602133), (52, 1232410), (65, 985928), (104, 616205), (130, 492964), (251, 255320), (260, 246482), (491, 130520), (502, 127660), (520, 123241), (982, 65260), (1004, 63830), (1255, 51064), (1964, 32630), (2008, 31915), (2455, 26104), (2510, 25532), (3263, 19640), (3928, 16315), (4910, 13052), (5020, 12766), (6383, 10040), (6526, 9820)]