25599680

素因数分解:

$2^6\times 5^1\times {\mathrm{79999}}^1$

素因数の和:80016

約数の個数: 28

約数和(自身を含む): 60960000

約数和(自身を除く): 35360320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 79999, 159998, 319996, 399995, 639992, 799990, 1279984, 1599980, 2559968, 3199960, 5119936, 6399920, 12799840, 25599680]

約数ペア:

[(1, 25599680), (2, 12799840), (4, 6399920), (5, 5119936), (8, 3199960), (10, 2559968), (16, 1599980), (20, 1279984), (32, 799990), (40, 639992), (64, 399995), (80, 319996), (160, 159998), (320, 79999)]