65260480

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1871}}^1$

素因数の和:1997

約数の個数: 56

約数和(自身を含む): 156911040

約数和(自身を除く): 91650560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 1871, 2180, 3488, 3742, 4360, 6976, 7484, 8720, 9355, 14968, 17440, 18710, 29936, 34880, 37420, 59872, 74840, 119744, 149680, 203939, 299360, 407878, 598720, 815756, 1019695, 1631512, 2039390, 3263024, 4078780, 6526048, 8157560, 13052096, 16315120, 32630240, 65260480]

約数ペア:

[(1, 65260480), (2, 32630240), (4, 16315120), (5, 13052096), (8, 8157560), (10, 6526048), (16, 4078780), (20, 3263024), (32, 2039390), (40, 1631512), (64, 1019695), (80, 815756), (109, 598720), (160, 407878), (218, 299360), (320, 203939), (436, 149680), (545, 119744), (872, 74840), (1090, 59872), (1744, 37420), (1871, 34880), (2180, 29936), (3488, 18710), (3742, 17440), (4360, 14968), (6976, 9355), (7484, 8720)]