55784240

素因数分解:

$2^4\times 5^1\times {\mathrm{697303}}^1$

素因数の和:697316

約数の個数: 20

約数和(自身を含む): 129698544

約数和(自身を除く): 73914304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 697303, 1394606, 2789212, 3486515, 5578424, 6973030, 11156848, 13946060, 27892120, 55784240]

約数ペア:

[(1, 55784240), (2, 27892120), (4, 13946060), (5, 11156848), (8, 6973030), (10, 5578424), (16, 3486515), (20, 2789212), (40, 1394606), (80, 697303)]