71367320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20047}}^1$

素因数の和:20147

約数の個数: 32

約数和(自身を含む): 162388800

約数和(自身を除く): 91021480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 20047, 40094, 80188, 100235, 160376, 200470, 400940, 801880, 1784183, 3568366, 7136732, 8920915, 14273464, 17841830, 35683660, 71367320]

約数ペア:

[(1, 71367320), (2, 35683660), (4, 17841830), (5, 14273464), (8, 8920915), (10, 7136732), (20, 3568366), (40, 1784183), (89, 801880), (178, 400940), (356, 200470), (445, 160376), (712, 100235), (890, 80188), (1780, 40094), (3560, 20047)]