80634880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{15749}}^1$

素因数の和:15774

約数の個数: 44

約数和(自身を含む): 193441500

約数和(自身を除く): 112806620

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, 15749, 31498, 62996, 78745, 125992, 157490, 251984, 314980, 503968, 629960, 1007936, 1259920, 2015872, 2519840, 4031744, 5039680, 8063488, 10079360, 16126976, 20158720, 40317440, 80634880]

約数ペア:

[(1, 80634880), (2, 40317440), (4, 20158720), (5, 16126976), (8, 10079360), (10, 8063488), (16, 5039680), (20, 4031744), (32, 2519840), (40, 2015872), (64, 1259920), (80, 1007936), (128, 629960), (160, 503968), (256, 314980), (320, 251984), (512, 157490), (640, 125992), (1024, 78745), (1280, 62996), (2560, 31498), (5120, 15749)]