66581840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:976

約数の個数: 80

約数和(自身を含む): 169187088

約数和(自身を除く): 102605248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 520, 584, 730, 877, 949, 1040, 1168, 1460, 1754, 1898, 2920, 3508, 3796, 4385, 4745, 5840, 7016, 7592, 8770, 9490, 11401, 14032, 15184, 17540, 18980, 22802, 35080, 37960, 45604, 57005, 64021, 70160, 75920, 91208, 114010, 128042, 182416, 228020, 256084, 320105, 456040, 512168, 640210, 832273, 912080, 1024336, 1280420, 1664546, 2560840, 3329092, 4161365, 5121680, 6658184, 8322730, 13316368, 16645460, 33290920, 66581840]

約数ペア:

[(1, 66581840), (2, 33290920), (4, 16645460), (5, 13316368), (8, 8322730), (10, 6658184), (13, 5121680), (16, 4161365), (20, 3329092), (26, 2560840), (40, 1664546), (52, 1280420), (65, 1024336), (73, 912080), (80, 832273), (104, 640210), (130, 512168), (146, 456040), (208, 320105), (260, 256084), (292, 228020), (365, 182416), (520, 128042), (584, 114010), (730, 91208), (877, 75920), (949, 70160), (1040, 64021), (1168, 57005), (1460, 45604), (1754, 37960), (1898, 35080), (2920, 22802), (3508, 18980), (3796, 17540), (4385, 15184), (4745, 14032), (5840, 11401), (7016, 9490), (7592, 8770)]