2555244080

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{1553}}^1$

素因数の和:1854

約数の個数: 80

約数和(自身を含む): 6028301664

約数和(自身を除く): 3473057584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 157, 262, 314, 524, 628, 655, 785, 1048, 1256, 1310, 1553, 1570, 2096, 2512, 2620, 3106, 3140, 5240, 6212, 6280, 7765, 10480, 12424, 12560, 15530, 20567, 24848, 31060, 41134, 62120, 82268, 102835, 124240, 164536, 203443, 205670, 243821, 329072, 406886, 411340, 487642, 813772, 822680, 975284, 1017215, 1219105, 1627544, 1645360, 1950568, 2034430, 2438210, 3255088, 3901136, 4068860, 4876420, 8137720, 9752840, 16275440, 19505680, 31940551, 63881102, 127762204, 159702755, 255524408, 319405510, 511048816, 638811020, 1277622040, 2555244080]

約数ペア:

[(1, 2555244080), (2, 1277622040), (4, 638811020), (5, 511048816), (8, 319405510), (10, 255524408), (16, 159702755), (20, 127762204), (40, 63881102), (80, 31940551), (131, 19505680), (157, 16275440), (262, 9752840), (314, 8137720), (524, 4876420), (628, 4068860), (655, 3901136), (785, 3255088), (1048, 2438210), (1256, 2034430), (1310, 1950568), (1553, 1645360), (1570, 1627544), (2096, 1219105), (2512, 1017215), (2620, 975284), (3106, 822680), (3140, 813772), (5240, 487642), (6212, 411340), (6280, 406886), (7765, 329072), (10480, 243821), (12424, 205670), (12560, 203443), (15530, 164536), (20567, 124240), (24848, 102835), (31060, 82268), (41134, 62120)]