55895440

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1423}}^1$

素因数の和:1927

約数の個数: 40

約数和(自身を含む): 130313088

約数和(自身を除く): 74417648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1423, 1964, 2455, 2846, 3928, 4910, 5692, 7115, 7856, 9820, 11384, 14230, 19640, 22768, 28460, 39280, 56920, 113840, 698693, 1397386, 2794772, 3493465, 5589544, 6986930, 11179088, 13973860, 27947720, 55895440]

約数ペア:

[(1, 55895440), (2, 27947720), (4, 13973860), (5, 11179088), (8, 6986930), (10, 5589544), (16, 3493465), (20, 2794772), (40, 1397386), (80, 698693), (491, 113840), (982, 56920), (1423, 39280), (1964, 28460), (2455, 22768), (2846, 19640), (3928, 14230), (4910, 11384), (5692, 9820), (7115, 7856)]