57054920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109721}}^1$

素因数の和:109745

約数の個数: 32

約数和(自身を含む): 138249720

約数和(自身を除く): 81194800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 109721, 219442, 438884, 548605, 877768, 1097210, 1426373, 2194420, 2852746, 4388840, 5705492, 7131865, 11410984, 14263730, 28527460, 57054920]

約数ペア:

[(1, 57054920), (2, 28527460), (4, 14263730), (5, 11410984), (8, 7131865), (10, 5705492), (13, 4388840), (20, 2852746), (26, 2194420), (40, 1426373), (52, 1097210), (65, 877768), (104, 548605), (130, 438884), (260, 219442), (520, 109721)]