56201720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15787}}^1$

素因数の和:15887

約数の個数: 32

約数和(自身を含む): 127882800

約数和(自身を除く): 71681080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15787, 31574, 63148, 78935, 126296, 157870, 315740, 631480, 1405043, 2810086, 5620172, 7025215, 11240344, 14050430, 28100860, 56201720]

約数ペア:

[(1, 56201720), (2, 28100860), (4, 14050430), (5, 11240344), (8, 7025215), (10, 5620172), (20, 2810086), (40, 1405043), (89, 631480), (178, 315740), (356, 157870), (445, 126296), (712, 78935), (890, 63148), (1780, 31574), (3560, 15787)]