64087040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{12517}}^1$

素因数の和:12542

約数の個数: 44

約数和(自身を含む): 153746076

約数和(自身を除く): 89659036

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 12517, 25034, 50068, 62585, 100136, 125170, 200272, 250340, 400544, 500680, 801088, 1001360, 1602176, 2002720, 3204352, 4005440, 6408704, 8010880, 12817408, 16021760, 32043520, 64087040]

約数ペア:

[(1, 64087040), (2, 32043520), (4, 16021760), (5, 12817408), (8, 8010880), (10, 6408704), (16, 4005440), (20, 3204352), (32, 2002720), (40, 1602176), (64, 1001360), (80, 801088), (128, 500680), (160, 400544), (256, 250340), (320, 200272), (512, 125170), (640, 100136), (1024, 62585), (1280, 50068), (2560, 25034), (5120, 12517)]