128174080

素因数分解:

$2^{11}\times 5^1\times {\mathrm{12517}}^1$

素因数の和:12544

約数の個数: 48

約数和(自身を含む): 307567260

約数和(自身を除く): 179393180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 12517, 25034, 50068, 62585, 100136, 125170, 200272, 250340, 400544, 500680, 801088, 1001360, 1602176, 2002720, 3204352, 4005440, 6408704, 8010880, 12817408, 16021760, 25634816, 32043520, 64087040, 128174080]

約数ペア:

[(1, 128174080), (2, 64087040), (4, 32043520), (5, 25634816), (8, 16021760), (10, 12817408), (16, 8010880), (20, 6408704), (32, 4005440), (40, 3204352), (64, 2002720), (80, 1602176), (128, 1001360), (160, 801088), (256, 500680), (320, 400544), (512, 250340), (640, 200272), (1024, 125170), (1280, 100136), (2048, 62585), (2560, 50068), (5120, 25034), (10240, 12517)]