55630720

素因数分解:

$2^7\times 5^1\times {\mathrm{86923}}^1$

素因数の和:86942

約数の個数: 32

約数和(自身を含む): 132993720

約数和(自身を除く): 77363000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 86923, 173846, 347692, 434615, 695384, 869230, 1390768, 1738460, 2781536, 3476920, 5563072, 6953840, 11126144, 13907680, 27815360, 55630720]

約数ペア:

[(1, 55630720), (2, 27815360), (4, 13907680), (5, 11126144), (8, 6953840), (10, 5563072), (16, 3476920), (20, 2781536), (32, 1738460), (40, 1390768), (64, 869230), (80, 695384), (128, 434615), (160, 347692), (320, 173846), (640, 86923)]