5640492080

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1\times {\mathrm{1093}}^1$

素因数の和:1614

約数の個数: 80

約数和(自身を含む): 13229715744

約数和(自身を除く): 7589223664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 257, 502, 514, 1004, 1028, 1093, 1255, 1285, 2008, 2056, 2186, 2510, 2570, 4016, 4112, 4372, 5020, 5140, 5465, 8744, 10040, 10280, 10930, 17488, 20080, 20560, 21860, 43720, 64507, 87440, 129014, 258028, 274343, 280901, 322535, 516056, 548686, 561802, 645070, 1032112, 1097372, 1123604, 1290140, 1371715, 1404505, 2194744, 2247208, 2580280, 2743430, 2809010, 4389488, 4494416, 5160560, 5486860, 5618020, 10973720, 11236040, 21947440, 22472080, 70506151, 141012302, 282024604, 352530755, 564049208, 705061510, 1128098416, 1410123020, 2820246040, 5640492080]

約数ペア:

[(1, 5640492080), (2, 2820246040), (4, 1410123020), (5, 1128098416), (8, 705061510), (10, 564049208), (16, 352530755), (20, 282024604), (40, 141012302), (80, 70506151), (251, 22472080), (257, 21947440), (502, 11236040), (514, 10973720), (1004, 5618020), (1028, 5486860), (1093, 5160560), (1255, 4494416), (1285, 4389488), (2008, 2809010), (2056, 2743430), (2186, 2580280), (2510, 2247208), (2570, 2194744), (4016, 1404505), (4112, 1371715), (4372, 1290140), (5020, 1123604), (5140, 1097372), (5465, 1032112), (8744, 645070), (10040, 561802), (10280, 548686), (10930, 516056), (17488, 322535), (20080, 280901), (20560, 274343), (21860, 258028), (43720, 129014), (64507, 87440)]