64197320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145903}}^1$

素因数の和:145925

約数の個数: 32

約数和(自身を含む): 157576320

約数和(自身を除く): 93379000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 145903, 291806, 583612, 729515, 1167224, 1459030, 1604933, 2918060, 3209866, 5836120, 6419732, 8024665, 12839464, 16049330, 32098660, 64197320]

約数ペア:

[(1, 64197320), (2, 32098660), (4, 16049330), (5, 12839464), (8, 8024665), (10, 6419732), (11, 5836120), (20, 3209866), (22, 2918060), (40, 1604933), (44, 1459030), (55, 1167224), (88, 729515), (110, 583612), (220, 291806), (440, 145903)]