51168520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5179}}^1$

素因数の和:5222

約数の個数: 64

約数和(自身を含む): 130536000

約数和(自身を除く): 79367480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 5179, 9880, 10358, 20716, 25895, 41432, 51790, 67327, 98401, 103580, 134654, 196802, 207160, 269308, 336635, 393604, 492005, 538616, 673270, 787208, 984010, 1279213, 1346540, 1968020, 2558426, 2693080, 3936040, 5116852, 6396065, 10233704, 12792130, 25584260, 51168520]

約数ペア:

[(1, 51168520), (2, 25584260), (4, 12792130), (5, 10233704), (8, 6396065), (10, 5116852), (13, 3936040), (19, 2693080), (20, 2558426), (26, 1968020), (38, 1346540), (40, 1279213), (52, 984010), (65, 787208), (76, 673270), (95, 538616), (104, 492005), (130, 393604), (152, 336635), (190, 269308), (247, 207160), (260, 196802), (380, 134654), (494, 103580), (520, 98401), (760, 67327), (988, 51790), (1235, 41432), (1976, 25895), (2470, 20716), (4940, 10358), (5179, 9880)]