71943040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8647}}^1$

素因数の和:8679

約数の個数: 64

約数和(自身を含む): 185240160

約数和(自身を除く): 113297120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 8647, 17294, 34588, 43235, 69176, 86470, 112411, 138352, 172940, 224822, 276704, 345880, 449644, 553408, 562055, 691760, 899288, 1106816, 1124110, 1383520, 1798576, 2248220, 2767040, 3597152, 4496440, 5534080, 7194304, 8992880, 14388608, 17985760, 35971520, 71943040]

約数ペア:

[(1, 71943040), (2, 35971520), (4, 17985760), (5, 14388608), (8, 8992880), (10, 7194304), (13, 5534080), (16, 4496440), (20, 3597152), (26, 2767040), (32, 2248220), (40, 1798576), (52, 1383520), (64, 1124110), (65, 1106816), (80, 899288), (104, 691760), (128, 562055), (130, 553408), (160, 449644), (208, 345880), (260, 276704), (320, 224822), (416, 172940), (520, 138352), (640, 112411), (832, 86470), (1040, 69176), (1664, 43235), (2080, 34588), (4160, 17294), (8320, 8647)]